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A CDC advisory panel is grappling with the best way to “do no harm” regarding Johnson & Johnson’s COVID-19 vaccine and its risk of blood clots.

Researchers are developing vaccines that could be taken as a capsule, a dissolvable tablet or a nasal spray. But the barriers to success are high.

U.S. health advisors told the government that they need more evidence to decide whether a handful of unusual blood clots were linked to the shot — and if so, how big the potential risk is.

Reports of blood clots among those who got Johnson & Johnson’s COVID-19 vaccine may make some recipients anxious. Here’s how to handle those feelings.

Two COVID-19 vaccines have now been linked to a risk of developing blood clots. Scientists don’t know whether the vaccines are to blame.

The Centers for Disease Control and Prevention extended its eviction moratorium through the end of June. There were scientific reasons for doing so.

U.S. health officials say women seeking an abortion pill will not be required to visit a doctor’s office or clinic during the COVID-19 pandemic.

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We explain what vaccine passports are, how they work, where they’ve been implemented, and why some people object to them.

Up to 60 countries may be stalled at the first shots of their COVID-19 vaccinations because nearly all deliveries are blocked until as late as June.

New versions of COVID-19 vaccines are now being tested in case they ever are needed to protect against mutated versions of the virus.

One-third of COVID-19 survivors were diagnosed with a psychiatric or neurological condition within six months of being infected with the coronavirus.

Two COVID-19 vaccines are likely to be protective against a rapidly spreading variant of the SARS-Cov-2 virus that arose in California, a study finds.

After the EU cites a ‘possible link’ between the AstraZeneca vaccine and rare blood clots, British authorities say some adults should get a different shot.

Covid-19 Vaccines

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