New CDC Covid-19 metrics drop strong mask recommendations for most of the country

New CDC Covid-19 metrics drop strong mask recommendations for most of the country



CNN
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Most people in the United States live in areas where those who are healthy do not need to wear masks indoors, according to new US Centers for Disease Control and Prevention guidance – a sweeping change from what earlier Covid-19 metrics recommended.

New CDC metrics indicate that about 28{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} of people in the United States live in a county where they need to wear masks indoors. Previously, CDC pointed to levels of coronavirus transmission within communities as a key metric for restrictions and recommended that people in areas with high or substantial levels of transmission – about 99{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} of the population – should wear masks indoors.

Now, the CDC’s “Covid-19 community level” metrics are based on three pieces of data in a community: new Covid-19 hospitalizations, hospital capacity and new Covid-19 cases. The CDC’s website includes a list of US counties and their current Covid-19 levels.

Under the updated guidance, more than 70{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} of the US population is in a location with low or medium Covid-19 community levels. For those areas, there is no recommendation for indoor masking unless you are at potential “increased risk” for Covid-19 and if so, the CDC recommends to talk to your health care provider about wearing a mask.

“We’re in a better place today than we were six months ago, six weeks ago, six days ago,” US Health and Human Services Secretary Xavier Becerra said in a statement to CNN. “Now it’s time to focus on severity, not just cases, of COVID. Because of all the hard work that’s been done and the many tools we’ve developed to tackle COVID, we can ease the guidance on mask use — not everyone in every place needs to wear a mask.”

At all levels, the CDC recommends people get vaccinated and boosted, and get tested if they have symptoms.

In areas with “high” levels, the CDC also advises wearing a mask in public indoor settings, including schools. In areas with “medium” levels, the CDC advises talking with your doctor about wearing a mask if you’re at increased risk for Covid-19. In areas with “low” Covid-19 community levels, there is no recommendation for mask wearing.

The CDC notes that anyone who wants to wear a mask should continue to do so.

The updated CDC recommendations reflect “a new approach” for monitoring Covid-19 in communities, Dr. Gerald Harmon, president of the American Medical Association, said in a statement Friday.

“But even as some jurisdictions lift masking requirements, we must grapple with the fact that millions of people in the U.S. are immunocompromised, more susceptible to severe COVID outcomes, or still too young to be eligible for the vaccine. In light of those facts, I personally will continue to wear a mask in most indoor public settings, and I urge all Americans to consider doing the same, especially in places like pharmacies, grocery stores, on public transportation – locations all of us, regardless of vaccination status or risk factors, must visit regularly,” Harmon said.

“Although masks may no longer be required indoors in many parts of the U.S., we know that wearing a well-fitted mask is an effective way to protect ourselves and our communities, including the most vulnerable, from COVID-19—particularly in indoor settings when physical distancing is not possible.”

Counties with fewer than 200 new Covid-19 cases per 100,000 people in the past week are considered to have “low” Covid-19 community levels if they have fewer than 10 new Covid-19 hospital admissions per 100,000 or less than 10{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} of staffed hospital beds occupied by Covid-19 patients on average in the past week.

Levels are “medium” if counties have 10 to nearly 20 new Covid-19 hospital admissions per 100,000 or between 10{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} and 14.9{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} of staffed hospital beds occupied by Covid-19 patients on average in the past week.

Levels are considered “high” if counties have 20 or more new Covid-19 hospital admissions per 100,000 or at least 15{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} of staffed hospital beds occupied by Covid-19 patients on average in the past week.

Counties with 200 or more new Covid-19 cases per 100,000 people in the past week are not considered to have “low” levels of Covid-19. They are considered “medium” if they have fewer than 10 new Covid-19 hospital admissions per 100,000 or less than 10{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} of staffed hospital beds occupied by Covid-19 patients on average in the past week. They are considered “high” if they have if they have 10 or more new Covid-19 hospital admissions per 100,000 or at least 10{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} of staffed hospital beds occupied by Covid-19 patients on average in the past week.

“This new framework moves beyond just looking at cases and test positivity, to evaluate factors that reflect the severity of disease – including hospitalizations and hospital capacity – and helps to determine whether the level of Covid-19 and severe disease are low, medium or high in a community,” CDC Director Dr. Rochelle Walensky told reporters during a telebriefing call Friday.

“The Covid-19 community level we are releasing today will inform CDC recommendations on prevention measures, like masking, and CDC recommendations for layered prevention measures will depend on the Covid-19 level in the community,” Walensky said. “This updated approach focuses on directing our prevention efforts towards protecting people at high risk for severe illness and preventing hospitals and health care systems from being overwhelmed.”

The update to CDC guidance comes at a time when daily Covid-19 cases in the United States have fallen to a tenth of what they were at their peak last month, according to data from Johns Hopkins University. The 90{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} drop – from an average of more than 802,000 cases per day on January 15 to less than 75,000 currently – happened over the course of about six weeks.

In recent weeks, some states seem to have already made this shift in focus from community transmission to hospitalizations. Many states have made plans to lift indoor or school mask mandates based on their own metrics: declining hospitalization rates and having a larger share of fully vaccinated residents than the national average.

The CDC’s updated Covid-19 community metrics signal an important moment in the pandemic, Lori Tremmel Freeman, chief executive officer of the National Association of County and City Health Officials, told CNN on Friday.

“I think that this is one of the long-awaited moments of the pandemic to hear of such a significant shift in how we view the data to identify the proper mitigation strategies,” Freeman said.

“An important moment during the pandemic in the sense that we’re able to now pivot to more of these community burden metrics that allow us to look at these mitigation strategies differently than we have perhaps before,” Freeman said, adding that, looking ahead, “I think we have to really watch the hospitalization data and identify ways to improve collection of data that allows us to account for individuals who come into the hospital with Covid versus for Covid.”

As Covid deaths rise, many are still from delta, CDC says

Most described Covid-19 fatalities in the U.S. are nevertheless from the delta variant, not omicron, Dr. Rochelle Walensky, director of the Centers for Disease Control and Prevention, said Wednesday.

Covid deaths, dependent on a 7-day going common, have achieved 1,600 for each working day in the U.S., a 40 per cent increase more than the earlier 7 days, according to CDC info.

Whole protection of the Covid-19 pandemic

Walensky, talking at a White Home Covid-19 Reaction Workforce briefing, stated she expects most of people fatalities are continue to lagging deaths from the delta variant wave.

The omicron variant only just lately became the dominant pressure in the U.S., surpassing delta all-around mid-December. The new strain now accounts for an estimated 98.3 p.c of all new circumstances, according to CDC knowledge.

Community health officials will keep track of “deaths over the future various months to see the effect of omicron on mortality,” Walenksy said throughout the briefing. “Provided the sheer amount of conditions, we may well see deaths from omicron, but I suspect the fatalities we are observing now are nevertheless from delta.”

Omicron causes considerably less significant condition

Walensky’s reviews came a working day immediately after researchers released a new research primarily based on info from Kaiser Permanente Southern California that identified the omicron variant appears to bring about considerably less significant condition than past strains and shorter healthcare facility stays.

The examine, which was posted online to a preprint server and hasn’t been peer-reviewed but, seemed at just about 70,000 Covid people in California, the greater part of whom experienced health issues caused by the omicron variant.

Walensky cited the examine at the Wednesday briefing, expressing it stays dependable with data from South Africa and the United Kingdom and gives some knowing of what the U.S. can hope in coming weeks.

“The danger of hospitalization remains low — specifically between persons who are up to date on their Covid vaccines,” Walensky said. “On the other hand, the staggering increase in instances, over 1 million new cases each individual working day, has led to a substantial range of total hospitalizations.”  

Masks supply distinct stages of defense

While omicron may well be fewer serious, “the unexpected and steep increase in situations because of to omicron is resulting in unparalleled day by day scenario counts, illness, absenteeism and strains on our overall health treatment method,” she said.

The CDC is encouraging all Americans to use well-equipped masks to shield on their own and others in opposition to the new pressure.

She stated the agency is getting ready an update to its site on masks, noting that various masks and give various stages of protection.

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U.S. CDC says people should ‘avoid cruise travel, regardless of vaccination status’

The U.S. Centers for Disorder Management and Avoidance on Thursday encouraged persons towards going on cruises irrespective of their vaccination position right after a modern surge in favourable Covid cases onboard ships as the extremely contagious omicron variant sweeps the globe.

The CDC elevated its journey warning for cruises to the maximum degree as the company is investigating or observing dozens of ships that have experienced Covid outbreaks.

Cruise ships functioning in U.S. waters reported about 5,000 Covid conditions to the CDC between Dec. 15 – 29, a major spike in comparison with the 1st two weeks of the month when 162 instances have been claimed.

“It is especially essential that travelers who are at an greater hazard of severe illness from COVID-19 stay away from vacation on cruise ships, which include river cruises, worldwide, regardless of vaccination status,” the agency stated.

The CDC assistance is a new blow for an sector that was devastated during the very first yr of the pandemic. The shares of Royal Caribbean Cruises, Norwegian Cruise Line, and Carnival fell on the news.

The CDC warned that Covid transmits conveniently amongst people today in near quarters on ships, and the probability of catching the virus on a cruise is really significant even for individuals who are vaccinated and have acquired a booster dose.

The CDC advised men and women who come to a decision to go on a cruise to get vaccinated prior to their journey and obtain a booster dose if eligible. Facemasks really should also be worn in shared areas, and passengers who are not fully vaccinated must self-quarantine for five days immediately after vacation, according to the company.

The CDC also claimed individuals who go on a cruise should get examined one particular to a few times prior to departing, and 3 to five days just after their excursion, irrespective of vaccination status or signs and symptoms. Nevertheless, numerous Individuals purchasing for at-house assessments have found cabinets in many pharmacies empty amid a nationwide lack, and lines at clinics are occasionally hourslong.

Brian Salerno with the Cruise Lines Worldwide Association reported the trade group was pissed off by the CDC’s conclusion.

“We are naturally let down at the CDC’s decision to increase the journey degree for cruise today—especially offered the frustrating degree of effectiveness of cruise protocols that are ensuing in significantly reduced level of cases on cruise as compared to land,” stated Salerno, senior vice president for maritime coverage.

Anne Madison, a spokesperson for the industry team, stated the Covid instances identified on cruise ships make up a trim greater part of the whole inhabitants onboard.

“The the vast majority of people circumstances are asymptomatic or delicate in mother nature, posing minimal to no burden on healthcare means onboard or onshore,” Madison stated.

Covid cases in the U.S. have surged to a pandemic significant. The U.S. claimed a seven-day average of far more than 300,000 day-to-day new Covid conditions as of Wednesday, an improve of 82{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} from past week, according to information compiled by Johns Hopkins College. CDC Director Dr. Rochelle Walensky said Wednesday that omicron is driving the speedy enhance in Covid scenarios.

White Dwelling main clinical advisor Dr. Anthony Fauci on Wednesday explained facts out of South Africa and the United Kingdom, international locations that were being hit by omicron earlier, suggest that the variant is significantly less extreme than delta. However, Fauci urged versus complacency, warning that omicron could nonetheless result in a spike in hospitalizations that burdens health-care units only by transmitting substantially faster.

About 82,000 Americans are hospitalized with Covid as of Thursday, in accordance to a seven-day normal of information from the Department of Wellbeing and Human Products and services, up 17{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} more than the past week.

Correction: Norwegian Cruise Line and Carnival shares have been down much more than 2{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} on the information. Royal Caribbean fell 1.93{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809}. A prior model misstated Royal Caribbean’s stock move.

US coronavirus: CDC director explains new Covid-19 guidance as the US heads into a harrowing phase of the pandemic

Unvaccinated men and women and all those who got pictures some time back and were being uncovered to anyone with Covid-19 need to quarantine for 5 times soon after publicity. This covers persons who obtained their past dose of the Pfizer or Moderna vaccine more than six months back and have not been boosted or acquired just 1 shot of the Johnson & Johnson vaccine extra than two months ago and haven’t been boosted. (Everybody in this category, too, really should consider to get analyzed five times right after publicity and use a mask about some others for the future five times.)

Lots of have questioned why the CDC lessened isolation occasions for some people with Covid-19 — but did not propose having a exam to confirm no matter whether they had been still contaminated. PCR and antigen exams aren’t always superior indicators of regardless of whether an individual is however contagious, CDC Director Dr. Rochelle Walensky advised news outlets Wednesday.

Do you have a cold, the flu or Covid-19? How to tell the difference

“What we do know is that the PCR examination just after infection can be good for up to 12 months, so that is not heading to be helpful. You happen to be not going to be transmitting through all of that period of time of time,” Walensky explained to NBC.

“So then the issue is, very well why not do an antigen take a look at at 5 days? We do know some people at 5 days will be unfavorable and still be ready to transmit. We also know that some men and women will be good and nevertheless be ready to transmit,” she mentioned.

“So that antigen take a look at was essentially not licensed for this reason, and its info will not be valuable. Irrespective of what the antigen test reported, we would say you nevertheless need to put on your mask for five days.”

Why shorten isolation situations?

New exploration, merged with some people’s reluctance to isolate for 10 days if contaminated, spurred some of the newest steering, Walensky instructed CNN Wednesday.

“We know that the most amount of money of transmission occurs in these just one to two times ahead of you acquire signs and symptoms (to) all those two to a few days right after you build signs and symptoms,” she reported.

“And if you map that out, people five times account for somewhere between 85{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} to 90{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} of all transmission that takes place.”

So for those who take a look at constructive but have no symptoms or dwindling signs or symptoms at Working day 5, “we shortened the time to motivate people today to do the correct issue,” Walensky explained to CBS on Wednesday.

“We you should not want them out and about when they are maximally infectious.”

Why need to overall health care personnel examination out of isolation but not many others?

As some hospitals get overcome all through the Omicron variant surge, the CDC issued emergency guidance for well being care personnel last week declaring:

• These with Covid-19 who are asymptomatic can return to function immediately after seven days with a unfavorable examination. And that isolation time can be minimize additional if there are staffing shortages.

• Wellbeing treatment employees who have obtained all recommended Covid-19 vaccine doses, including a booster, do not have to have to quarantine at property adhering to large-possibility exposures.

The US just hit a record average of daily new Covid-19 cases

Questioned why infected overall health care employees must get examined right before going back again to operate — but other infected Americans do not have to — Walensky explained infection management recommendations in overall health care configurations are “normally more stringent” than for the basic general public.

The decision had absolutely nothing to do with shortages of speedy antigen exams, she stated.

“We would not modify our direction centered on the final result of that immediate test,” Walensky explained to CNN. “And you know that it didn’t have just about anything to do with any scarcity at all since we advise swift tests for all those in quarantine.”

But CNN medical analyst Dr. Jonathan Reiner explained the CDC’s explanation is complicated.

Even though PCR assessments can sometimes “detect the virus when a particular person is no longer infectious,” antigen exams are extra most likely to change up good only when a particular person is actively contagious, Reiner explained to CNN on Wednesday.

“What I never fully grasp is why a check which has a pretty, extremely minimal fake positivity fee … why this would not be a useful resource not to for telling folks at Working day 5 when they can go back again to perform,” Reiner reported.

New Covid-19 report set as educational facilities plan to reopen

The nationwide coronavirus circumstance spike comes just as thousands and thousands of children are having prepared to go back again to university future 7 days and as pediatric Covid-19 hospitalizations have risen.

Child hospitalizations are surging in this hospital. Only one of the young patients was fully vaccinated, doctor says

Pediatrician Dr. Peter Hotez explained he thinks some colleges in parts of extremely high transmission should really hold off a return to in-particular person learning.

“I would not do it now,” Hotez stated Tuesday night. “You have bought a screaming degree of transmission in the Northeast, in New York Metropolis and Washington, DC. Seeking to open up faculties at this point, it can be tricky to envision how points will go effectively.”

But the US Division of Instruction is urging school districts to get security steps to be certain lecture rooms stay open up for in-particular person studying in the second half of the university 12 months, according to a new resource guidebook resolved to faculty leaders and obtained Monday by CNN.

“It is very vital that all colleges get the job done to continue being open up for in-person understanding 5 times a week, specifically in mild of the Omicron variant,” the guide explained.

In spite of a modern onslaught of Covid-19 circumstances in New York City, the nation’s major community university program will reopen as planned upcoming Monday, Mayor Bill de Blasio stated. The city’s general public faculties will give a week’s worth of at-residence tests to learners who examination positive so they can keep track of their problem and return as shortly as it is protected, he stated Tuesday.

Child hospitalizations creep towards pandemic peak

A nurse at the University of Vermont Medical Center Pediatric Intensive Care Unit cares for a pediatric Covid-19 patient.

Throughout the nation, an regular of 305 young children have been battling Covid-19 in a clinic on any given working day during the week that ended Sunday, according to details from the CDC and the US Section of Well being and Human Solutions.

That’s a a lot more than 48{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} enhance from the prior week and 10.7{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} reduce than the peak average of 342 little ones who were being admitted to hospitals with the virus at the conclude of August and early September.

Though anyone age 5 and more mature in the US is suitable to get a vaccine, about 40{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} of the total populace is not absolutely vaccinated, placing them at a higher danger for Covid-19’s most serious outcomes, such as severe illness and dying.

The quantity of little ones who have to have clinical notice at Children’s National Hospital in Washington, DC, has nearly doubled, stated Dr. Roberta DeBiasi, division main of infectious conditions at the healthcare facility.

The medical center admitted about 20 young children at its peak, but that selection has jumped to in between 40 and 50 in the course of the Omicron surge, DeBiasi mentioned. Most of the individuals are unvaccinated, partially vaccinated or immunocompromised, she explained.

New Omicron variant fills up children's hospitals

“So that is genuinely the huge variation, and it is really not mainly because the virus is a lot more serious. It really is since the over-all infectivity and quantity of situations has genuinely shot up,” DeBiasi stated.

Even so, medical center staff have been equipped to keep the mortality amount minimal, she explained. “Even our little ones that are extremely sick, critically unwell, we’ve gotten pretty good at having care of these little ones.”

In New York Metropolis, pediatric hospitalizations greater five-fold around a a few-week time period.

And at the Lurie Children’s Clinic of Chicago, Covid-19 situations are approximately a few occasions larger than the hospital’s former peak in December 2020. In the previous 7 days, hospitalizations are four times larger what the clinic ordinarily sees.

Over-all, industry experts are warning the following number of months will be tough for the country.

“You will find no concern that January will be crammed with a lot of brief-expression issues — hospital beds, staffing shortages, tests, shortages of virtually every little thing,” stated Andy Slavitt, previous senior adviser to the Biden administration’s Covid-19 response staff.

“It can be tricky for the process to tackle this many circumstances at after.”

Antigen assessments are considerably less delicate to Omicron, Fda says

Finding a Covid-19 test is a struggle right now in the US as Omicron and holiday plans collide

Well being experts say at-home antigen checks that transform out to be good are a good signal a human being is definitely infected. However, swift tests may possibly not decide up the new Omicron variant as properly as preceding strains, the US Food and Drug Administration said Tuesday.

Experiments on antigen checks that employed individual samples that experienced the reside virus showed that whilst the exams detect the Omicron variant, they did so with a lot less sensitivity, the Fda claimed.

Sensitivity steps how often a test can give a optimistic end result when a person has the illness.

Much more scientific tests on the checks are ongoing, and men and women really should keep on applying them, the Fda said.

“The checks are still worthwhile. Don’t allow anybody imagine that the Fda was stating that assessments are no for a longer period excellent,” explained Dr. Anthony Fauci, director National Institute of Allergy and Infectious Illnesses. “They say they’re less sensitive now. They never ever had been 100{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} sensitive.”

CNN’s Naomi Thomas, Jen Christensen, Virginia Langmaid, Liz Stark, Taylor Romine and Adrienne Winston contributed to this report.

CDC recommends Pfizer and Moderna vaccines over Johnson & Johnson due to rare blood clotting issue

The CDC now recommends that Americans take the mRNA vaccines made by Pfizer and Moderna instead of the one-shot Johnson & Johnson vaccine due to rare but serious blood clots.

The agency’s Advisory Committee on Immunization Practices unanimously voted on Thursday to give a preferential recommendation to Moderna and Pfizer’s shots. 

“More than 200 million Americans have completed their primary vaccine series, providing protection against COVID-19, preventing millions of cases and hospitalizations, and saving over a million lives,” CDC Director Rochelle Walensky said in a statement. “Today’s updated recommendation emphasizes CDC’s commitment to provide real-time scientific information to the American public.”

The CDC temporarily halted Johnson & Johnson’s vaccine in April while scientists investigated the blood clots, which are known as “thrombosis with thrombocytopenia syndrome.”

Syringes filled with the Johnson & Johnson vaccine are shown, Thursday, May 13, 2021, at a mobile vaccination site at the Greater Bethel Church in Miami. ((AP Photo/Wilfredo Lee))

Regulators eventually decided that the benefits of the Johnson & Johnson vaccine outweighed the risks, but the FDA released new data this week showing that more cases have occurred in the summer and fall. 

Women between the ages of 30 and 49 are most affected by the blood clotting issue at a rate of about 1 in 100,000 shots. 

Health officials have confirmed 54 cases of the blood clots, nine of which have been fatal, CDC official Dr. Isaac See said Thursday. Two more deaths are suspected to be related to the blood clotting issue. 

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A CDC official told FOX Business that individuals who received the Johnson & Johnson vaccine should still receive a booster dose two months after their initial vaccine. 

If an individual received a Johnson & Johnson shot for their primary dose and then a booster of any vaccine, then they do not need to be re-vaccinated with an mRNA COVID-19 vaccine, according to the official. 

Michelle Falgout, a registered nurse, administers a dose of the Johnson & Johnson COVID-19 vaccine to Kerri Houston at a Florida Department of Health in a Pinellas County vaccination event held at the Salvador Dali Museum in St. Petersburg, Flori

Symptoms of blood clots – including severe headaches, abdominal pain, back pain, and nausea – usually occur 6 to 14 days after receiving the Johnson & Johnson vaccine, according to the American Society of Hematology

Only about 16 million doses of the Johnson & Johnson vaccine have been administered in the United States, compared to about 470 million doses of the vaccines made by Pfizer and Moderna. 

COVID-19 VACCINE EFFECTIVENESS WILL LIKELY DROP AGAINST OMICRON VARIANT, MODERNA CEO SAYS

The Johnson & Johnson vaccine is a viral vector vaccine, meaning that it replaces a small piece of the genetic instructions in a harmless adenovirus with genetic instructions for the SARS-CoV-2 spike protein. When the vaccine is injected, our cells recognize that the spike protein isn’t supposed to be there and produce antibodies to fight it. 

Liesl Eibschutz, a medical student from Dartmouth University, loads a syringe with Pfizer COVID-19 vaccine before giving it to people on the first day that people ages 16 and up can receive the vaccine at Kedren Health on Thursday, April 15, 2021 in

AstraZeneca’s COVID-19 vaccine, which was produced in the United Kingdom, is also a viral vector vaccine and has led to similar blood clotting issues. 

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Several other countries have already recommended mRNA vaccines over the viral vector vaccines, or set age limits for the Johnson & Johnson and AstraZeneca vaccines. 

COVID-19 itself can also cause blood clots. The risk of developing cerebral venous thrombosis or portal vein thrombosis is “significantly increased after COVID-19,” according to a University of Oxford study in April. 

The Associated Press contributed to this report.  

Experts tout boosters; CDC releases omicron data: COVID updates