How the new bivalent Covid vaccines work
- 22-Sep-2022
France became the latest country on Tuesday to authorise new Covid-19 vaccines that have been updated to target Omicron subvariants ahead of autumn booster campaign. Here’s what you need to know about these “bivalent” vaccines, which means they also still target the original strain that emerged in the Chinese city of Wuhan in 2019. – […]