Preliminary data from South Africa suggests that the novel variant 501.V2 wasn't recognised by antibodies in 21/44 serum samples collected from people infected in the first wave - worth watching today's presentation for more info & caveats https://t.co/rQo6YjzfpU pic.twitter.com/jGFWcguRFU

— Adam Kucharski (@adamjkucharski) January 18, 2021