More from Covid-19 vaccines: News and updates


Covid-19 vaccines are supposed to be free. Some people are getting bills anyway.


The logic and challenge behind the FDA and CDC’s decision to temporarily halt the one-shot vaccine.


Can Americans travel right now? Kind of. Should Americans travel right now? That’s more complicated.


It may still be a while. Here’s what parents can do in the meantime while their kids aren’t vaccinated and others are.

The Biden administration says it’s leaving digital vaccination records up to states and the private sector.


A new kind of Independence Day.


Covid-19 shots during pregnancy might also pass on protection against the virus to babies.


The company said its Covid-19 vaccine developed with Oxford had 76 percent efficacy in the US after a rare public rebuke from the NIH.


The EU’s top health regulator ruled the vaccine “safe and effective” after a distribution pause.


A new report highlights why different groups are hesitant to get the coronavirus vaccine and what can be done about it.


More Americans are comfortable with getting the Covid-19 vaccine. Still, about 30 percent of adults plan to refuse it.

The Latin American country bet big on vaccines and relied on a strong primary health care network. Now, a quarter of the country has had at least one shot.


The guidelines still urge caution around meeting up with unvaccinated people at high risk for severe disease. But the new rules are a big step toward normalcy.


The US set a new daily record for vaccinations on Saturday with 2.9 million shots.


The best Covid-19 vaccine for you is most likely still the first one you can get.


Don’t be mad about individuals getting the vaccine. Be mad about vaccine inequity.


Lipid nanoparticles are essential to the Moderna and Pfizer/BioNTech vaccines — and we’re staring down a shortage.


Here’s what we know about how the vaccines protect against spread of the virus.


What it’s like to be in the right place at the right time and walk away vaccinated.


Covid-19 vaccines are here. So are new mutations. Here’s what you should know.


The vaccine is very effective — and most importantly, it only requires one shot.


The FDA could make an emergency use authorization as soon as this weekend, paving the way for distribution.


Local health clinics and community groups are just as important as mass vaccination sites in the rollout.


It’s the start of a long campaign to immunize billions of people.

One of the world’s largest countries plans to vaccinate hundreds of millions by summer.