Vaccines
Latest about vaccines

Scientists gave mice flu vaccines by flossing their tiny teeth — and it worked
By Amy Arthur published
In a proof-of-concept study, scientists have shown that flossing your teeth could be a way to deliver vaccinations that protect you against viruses.

Thimerosal carries no health risks and is almost never used anyway. So why are anti-vaxxers obsessed with it?
By Terri Levien published
Opinion There's no solid evidence that thimerosal harms children. It was removed from almost all vaccines more than 20 years ago out of an abundance of caution, but RFK Jr.'s hand-picked vaccine advisory committee is looking into it.

The WHO penned the world's first pandemic agreement — but the US isn't signing
By Nicole Hassoun published
Opinion The U.S. withdrew from treaty negotiations on President Trump's first day in office.

Whooping cough is surging. Here's what you can do to protect yourself.
By Annette Regan published
Rates of the bacterial infection have gone up by 500% since last year, with babies and young children most at risk.

'Vaccine rejection is as old as vaccines themselves': Science historian Thomas Levenson on the history of germ theory and its deniers
By Nicoletta Lanese published
Interview Live Science spoke with author Thomas Levenson about his new book on the history of germ theory.

Nearly 3 million extra deaths by 2030 could result from HIV funding cuts, study suggests
By Nicoletta Lanese, Emily Cooke published
A modeling study looked at how anticipated cuts to international HIV funding would affect the rate of new cases and HIV-related deaths in low- and middle-income countries.

What are mRNA vaccines, and how do they work?
By Marilyn Perkins published
mRNA vaccines train the immune system in a similar way to traditional vaccines, but they use a different strategy to get there.

When will the US measles outbreak end?
By Emily Cooke published
A public health official in Texas recently warned that the state's ongoing measles outbreak could last a year. Why are cases expected to keep rising?
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