Preliminary data from phase III clinical trials has shown the Pfizer-BioNTech and Moderna Covid-19 vaccines to be more than 90% effective. So, how do they work, are they safe, and when will they be available?
To stop life-threatening infections from escalating, the world must control the spread of drug-resistant infections. Tim Jinks explains Wellcome's role in the global response to antimicrobial resistance.
Having a range of Covid-19 vaccines available for people to use around the world will be essential to bringing the pandemic under control. Here’s why.