A third shot of the vaccine lifted immune response in volunteers who had already received two.
Tag: Clinical Trials
Why More People Are Getting Two Different Coronavirus Vaccines
Several countries are allowing mix-and-match inoculation, which scientists hope will have benefits, and Chancellor Angela Merkel of Germany is among those to get it.
Cuba reports a high success rate for its homegrown Abdala vaccine.
Rather than rely on imports, the Caribbean nation bet on being able to develop and produce its own coronavirus vaccines, the smallest country to do so.
Wondering if the Covid Vaccine Worked? Get the Right Test, at the Right Time
Scientists generally recommend against antibody testing after vaccination. But for some people, it makes sense.
Wondering if the Vaccine Worked? Get the Right Test, at the Right Time
Scientists generally recommend against antibody testing after vaccination. But for some people, it makes sense.
We’ll Probably Need Booster Shots for Covid-19. But When? And Which Ones?
Scientists are asking a lot of questions about Covid-19 booster shots, but they don’t yet have many answers. Here’s what they know so far.
Why the CDC Changed Its Advice on Masks
Two scientific findings altered the calculus: Vaccinated people rarely transmit the virus, and the shots are effective against variants.
Cuba Starts Using Its Covid Vaccines Before Completing Trials
Like Russia, China and India, Cuba is using a vaccine that is still undergoing clinical trials as an emergency step to slow the spread of the coronavirus.
Covid-19 Vaccines: Novavax Reports More Delays
“I don’t see a lot going well for them at this point,” said one analyst.
FDA Authorizes Pfizer-BioNTech Vaccine for Children 12 to 15
The shots may allow millions of youngsters to get back to school, camps, sleepovers and hangouts with friends.