Dr Philippa Whitford @Dr_PhilippaW
RT @ActuaryByDay: Useful summary of the latest @imperialcollege REACT infectivity survey by @john_actuary. Infections still falling, though… — PolitiTweet.org
John Roberts @john_actuary
,The latest #REACT study (Round 9b) on infectivity from @imperialcollege suggests continuing falls but at a slower… https://t.co/4VGLEdHXXl