This week, mRNA vaccines are set to face intense scrutiny from critics in Congress. Here's an explainer of how we know they are safe and effective.

For groups younger than 65 or without specific chronic conditions, postmarketing trials will be needed to open access.

A person attended a Shakira concert at the MetLife Stadium in New Jersey while infectious with measles. Health officials are ...

But the framework has perhaps created as much confusion as clarity. Broadly, the FDA said it will limit approval of Covid-19 ...

Earlier this month, the US government announced a US$500 million (£377 million) investment to accelerate research into ...

A person with measles attended the sold-out concert at the MetLife stadium, which can hold more than 82,000 people.

Officials are warning about a possible measles exposure at a Shakira concert after an infected person attended the show at ...