Latest from Carolyn Y. Johnson
CDC vaccine advisers seek more data on rare blood clots before deciding whether to resume Johnson & Johnson shots
Federal health officials had recommended Tuesday that states pause use of the vaccine while agencies review six U.S. cases of a rare and severe type of brain blood clot among the more than 7 million people who received the shot.
- Apr 14, 2021
FDA, CDC call for pause in use of Johnson & Johnson vaccine after ‘extremely rare’ cases of blood clots
The agencies said Tuesday that they are reviewing data involving six reported U.S. cases of a rare and severe type of blood clot in individuals after receiving the shot.
- Apr 13, 2021
A vaccine study in college students will help determine when it’s safe to take masks off
A massive study unfolding at 20 college campuses aims to determine how well the Moderna coronavirus vaccine prevents vaccinated people from becoming unwitting carriers of the virus.
- Apr 12, 2021
Your questions about coronavirus vaccines, answered
With two coronavirus vaccines receiving federal clearance, we answer your questions — from when you should get vaccinated to how they work and how they were made so quickly.
- Apr 2, 2021
Cases and hospitalizations are on the rise. ‘We cannot afford to let our guard down,’ CDC director says.
The data is the beginning of what many families, eager for normalcy to return, have been waiting to see and if regulators extend the authorization to younger age groups, vaccinations could begin before the next school year.
- Mar 31, 2021
Coronavirus vaccines are coming for kids — but studies have to be finished first
The threshold for herd immunity almost certainly won’t be reached without providing vaccines to many of the approximately 75 million people under the age of 18.
- Mar 31, 2021
AstraZeneca says its vaccine is 76 percent effective in an updated company analysis released after earlier challenges of its data
The new analysis was done after an independent data committee raised concerns with U.S. officials that the company had selectively used older data that cast its vaccine in a more favorable light.
- Mar 24, 2021
La vacuna de AstraZeneca tiene una eficacia de 79%, según el ensayo clínico en Estados Unidos
Los investigadores de Oxford informaron que un consejo de supervisión independiente en Estados Unidos 'no reportó ningún problema de seguridad entre los participantes que recibieron al menos una dosis de la vacuna AstraZeneca'.
- Mar 23, 2021
AstraZeneca used ‘outdated and potentially misleading data’ that overstated the effectiveness of its vaccine, independent panel says
The company and Oxford University had announced Monday that a clinical trial in the United States, Chile and Peru showed 79 percent efficacy.
- Mar 23, 2021
AstraZeneca’s U.S. trial shows coronavirus vaccine is 79 percent effective
The trials included 32,000 volunteers and is a boost for the troubled vaccine.
- Mar 22, 2021