Whatever happened to the Novavax Covid vaccine?
The jab, seen as an alternative for people who are vaccine-hesitant, is widely available in the EU but still not cleared for use in the UK.
Valneva Covid vaccine approved for use in UK
The Valneva jab is manufactured using technology similar to how flu shots are made.
What to Know About the New COVID Vaccine From Sanofi-GSK
The companies said the vaccine was highly effective in clinical trials. Here's what we know about it now, and when it could be available.