The US Food and Drug Administration is changing the way it approves Covid-19 vaccines for Americans, a move that may limit future shots to older Americans and people at higher risk of serious Covid-19 infection.

The shift was a marked departure from previous FDA guidance, which recommended an annual COVID vaccine for everyone 6 months and older.

The US Food and Drug Administration (FDA) announces new regulatory guidelines for future COVID-19 vaccines and booster shots. Moderna (MRNA) and Pfizer (PFE) shares move higher on this news, while Novavax (NVAX) takes a dip.

The US Food and Drug Administration is changing how it approves COVID-19 vaccines for Americans. What does that mean for people wanting to get vaccinations in Australia?

Earlier this month, the US government announced a US$500 million (£377 million) investment to accelerate research into universal vaccines. After years of underfunding, experts say this backing is long overdue – especially following the COVID pandemic, which temporarily shifted focus to emergency vaccine production.

A new FDA framework for Covid-19 vaccines created confusion among physicians about what it means for young children

The World Health Organization's member countries have approved an agreement to better prevent, prepare for and respond to future pandemics in the wake of the devastation wrought by the coronavirus.

Leaders at the FDA, HHS and elsewhere are putting guardrails around COVID-19 boosters, which could mean delayed shots or eligibility changes this fall.