on (#5B5W5)
Prof Jonathan Van-Tam says it will take time before we understand how long the vaccine will be effective.
| Link | https://www.bbc.co.uk/news/health |
| Feed | http://feeds.bbci.co.uk/news/health/rss.xml |
| Copyright | Copyright: (C) British Broadcasting Corporation, see https://www.bbc.co.uk/usingthebbc/terms-of-use/#15metadataandrssfeeds for terms and conditions of reuse. |
| Updated | 2026-05-11 20:45 |