Other drug makers have begun similar trials of their Covid-19 vaccines. If they work in children younger than 12 as expected, it will be easier for the U.S. to reach herd immunity.
Tag: Clinical Trials
AstraZeneca Releases Fuller Data Backing Its Vaccine
The company said its shot was 76 percent effective at preventing Covid-19, a hair lower than the number it announced earlier this week.
U.S. Health Officials Question AstraZeneca Vaccine Trial Results
According to federal officials, an independent panel of medical experts said the promising results announced by the company on Monday may have relied on “outdated information.”
AstraZeneca’s Covid-19 Vaccine Is Found to Be 79% Effective in U.S. Study
The company is preparing to apply for emergency authorization from the Food and Drug Administration. But the shot may not be needed in the United States.
The AstraZeneca Vaccine: Should You Be Concerned?
There is no evidence so far of a link between the AstraZeneca shots and a few new cases in Europe of serious illness and deaths. But investigations are underway.
The U.S. Is Sitting on Tens of Millions of Vaccine Doses the World Needs
Those tens of millions of doses from AstraZeneca are waiting for trial results, while countries that authorized the vaccine beg to have them.
As Covid Deaths Soar in Brazil, Bolsonaro Hails an Untested Nasal Spray
Vaccines and critical-care beds are in short supply. Yet President Jair Bolsonaro is railing against social distancing and calling an experimental treatment from Israel “miraculous.”
India’s Covaxin Covid-19 Vaccine, Already in Use, Shows Promise in Trials
The Indian maker of Covaxin says interim results from clinical trials suggest it is safe and effective, potentially removing one hurdle to New Delhi’s ambitious inoculation campaign.
Plan to Ditch the Mask After Vaccination? Not So Fast.
It’s not clear how easily vaccinated people may spread the virus, but the answer to that question is coming soon. Until then, scientists urge caution.
At three mass vaccination sites, New York will start administering doses overnight.
Three mass vaccination sites across New York State will begin administering doses overnight, Gov. Andrew M. Cuomo said this week, as officials seek to use an influx of new vaccines manufactured by Johnson & Johnson to significantly expand the vaccinati…