FDA authorizes Pfizer vaccine for children as young as 12 years old
Shots could begin as soon as a federal vaccine advisory committee issues recommendations for using the two-dose vaccine in 12- to 15-year-olds, expected Wednesday.
US lifts pause, allowing Johnson & Johnson COVID-19 vaccinations to resume
A U.S. health panel says it’s time to resume use of Johnson & Johnson’s COVID-19 vaccine, despite a very rare risk of blood clots.
Johnson & Johnson vaccine to remain in limbo while officials seek more data on rare blood clots
At an emergency meeting, CDC advisers wrestled with the fact that the U.S. has enough alternative shots to vaccinate its population — but other countries awaiting the one-and-done vaccine may not.
Federal agencies recommend pause for single-dose Johnson & Johnson vaccine over reports of blood clots
The Centers for Disease Control and Prevention and the Food and Drug Administration said they were investigating unusual clots in six women that occurred six to 13 days after vaccination.
Pfizer says its COVID-19 vaccine is safe and effective for children as young as 12
Vaccinating children of all ages will be critical to stopping the pandemic — and helping schools start to look a little more normal after months of disruption.
AstraZeneca confirms its vaccine offers strong protection after rift with US officials
AstraZeneca said it had analyzed more data from that study and concluded the vaccine is 76% effective in preventing symptomatic COVID-19, instead of the 79% it had reported earlier in the week.
AstraZeneca says its vaccine found to be 79% effective at preventing symptomatic cases of COVID-19
AstraZeneca said its experts did not identify any safety concerns related to the vaccine, including finding no increased risk of rare blood clots identified in Europe.
US health advisers endorse single-shot COVID-19 vaccine from Johnson & Johnson
One challenge in rolling out the new vaccine will be explaining how protective the single shot is after the astounding success of the first double-shot vaccines.
FDA confirms effectiveness of single-shot Johnson & Johnson coronavirus vaccine
The Food and Drug Administration’s scientists confirmed that the vaccine is about 85% effective at preventing severe COVID-19, and it is safe.
Johnson & Johnson asks US regulators to approve its one-shot COVID-19 vaccine
Johnson & Johnson asked U.S. regulators to clear the world’s first single-dose COVID-19 vaccine, an easier-to-use option that could boost scarce supplies.
Oxford-AstraZeneca coronavirus vaccine may help prevent transmission, study finds
While multiple vaccines have shown they prevent people from getting very sick, less is known about their ability to prevent people from spreading the virus to others.
One-dose Johnson & Johnson coronavirus vaccine proves effective, but less so than others
The single-shot vaccine was 66% effective overall at preventing moderate to severe illness, and much more protective — 85% — against the most serious symptoms.