22 Oct 21copy & paste+upvote-downvoteπ¨ How do you calculate the efficacy of vaccine against a disease where half of people already have it? Someone at tβ¦ https://t.co/a6QfvQ5fO4
β@_lexiemichelee: @MariaCabayubi you know how slow I am Maria. But it looks really goodβhah I know this. But thank youuu
14 Jan 13copy & paste+upvote-downvoteβ@_lexiemichelee: @MariaCabayubi you know how slow I am Maria. But it looks really goodππππβhah I know this. But thank youuu βΊπππ