The pause on the Johnson & Johnson vaccine was lifted on April 23, 2021.
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The CDC first paused, then unpaused, the administration of the Johnson & Johnson COVID-19 vaccine due to concerns about blood clots. But what are those clots, and how do they form?
The AstraZeneca COVID vaccine is now available to Australians over 50. Here's what you need to know before you roll up your sleeve.
It’s not a bad sign if you feel fine after your COVID-19 shot.
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It's normal for different people to mount stronger or weaker immune responses to a vaccine, but post-shot side effects won't tell you which you are.
If one adenoviral vaccine is linked with blood clots, it doesn’t mean all vaccines in this family will have that same effect. But it's definitely worth health authorities assessing the data.
Vials of the Johnson & Johnson vaccine to prevent COVID-19. The use of this particular vaccine has been halted temporarily.
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The one-dose vaccine developed by Johnson & Johnson is temporarily halted because of potentially serious blood clots seen in six women. An immunologist explains what this means for you.
Pausing COVID-19 vaccine rollouts can backfire. There are better ways to manage safety issues while they're being investigated.
We already track potential vaccine side-effects in Australia. So we'll be using, and building on, years of experience in monitoring any long-term effects of COVID-19 vaccines.
Tamara Dus, director of University Health Network Safety Services, administers a Pfizer-BioNTech COVID-19 vaccine in Toronto.
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The arrival of COVID-19 vaccines has raised hope for an end to the pandemic. Hopefully that's true, but there are variables. Here are some factors that could affect the success of the vaccine rollout.
Health workers are preparing COVID-19 vaccine Sinovac during first stage vaccination in Health Center, South Tagerang City, Indonesia, Januari 15, 2021. More than 8.000 health workers there are vacinnated.
By prioritising vaccination for the elderly, Indonesia may optimally reduce the hospital burden and COVID-19 deaths amid a limited vaccine supply during the first vaccination phase.
Pharmacist Jessica Sahni prepares a Pfizer COVID-19 vaccine in New York City.
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Now that two COVID vaccines have been authorized by the FDA, questions arise. Today, a physician from Indiana University School of Medicine answers five reader questions.
Sandra Lindsay, left, a nurse at Long Island Jewish Medical Center, is inoculated with the COVID-19 vaccine by Dr. Michelle Chester.
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A serious allergic reaction was reported in a health care worker in Alaska after she received the COVID-19 vaccine. Does this mean that people with allergies need to be concerned? An expert answers.