France is handing out third shots of the two-dose vaccines to cancer patients and others with immune system impairments. In the United States, patients like these are on their own.
Tag: Clinical Trials
Johnson & Johnson Vaccine Protects Against Delta Variant, Company Reports
The vaccine also produced long-lasting immune responses, researchers said. Booster shots seem unnecessary, at least for now.
Three Studies, One Result: Coronavirus Vaccines Point the Way Out of the Pandemic
New scientific research underscores the effectiveness of vaccines and their versatility in the fight against the coronavirus.
Mixing Pfizer, AstraZeneca Vaccines Gives Strong Covid Protection, Study Finds
Administering a first dose of one vaccine and a second dose of the other, in either order, is likely to provide potent protection, the researchers said.
AstraZeneca Booster Shot Lifts Immune Response, Study Finds
A third shot of the vaccine lifted immune response in volunteers who had already received two.
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.