Vaccines have traditionally worked by teaching the immune system to recognize a specific virus or bacterium—in effect, ...

A “significant change” in the Covid-19 vaccine eligibility has left members of the public unsure about who can get a jab this autumn. The criteria for eligibility has shifted this year to targeting ...

How do vaccines work? Here's what medical experts want you to know about safety and efficacy.

Ian Haydon helped test Moderna's coronavirus vaccine last year. Now, he's helping test the tweaked version of that vaccine designed to fight a new, more contagious variant. "A year ago I tried the ...

DEAR DR. ROACH: My daughter was recently visiting and tested positive for COVID. Since my last COVID vaccine was eight months ago, I searched for how much protection I still had and understood the ...

A group of experts that advises the US Centers for Disease Control and Prevention on its vaccine recommendations has suspended an anticipated push to stop recommending mRNA-based Covid-19 vaccines ...

Add Yahoo as a preferred source to see more of our stories on Google. A nurse draws up doses of the Moderna COVID-19 for a vaccination clinic in St. Helena in 2021. Moderna is offering a new, low-dose ...

Patients with advanced lung or skin cancer who received an mRNA COVID vaccine within 100 days of starting immunotherapy saw a notable boost in survival time. New research has linked the COVID-19 mRNA ...

As of November 2025, some healthcare organizations conclude that COVID-19 vaccines have no impact on fertility. But some researchers agree that more studies are needed to understand potential ...

Neil Mabbott receives research funding from the UK Biotechnology and Biological Sciences Research Council, the Roslin Foundation, the Creutzfeldt-Jakob Disease Foundation, and Zoetis. Vaccines have ...