š RT @BBCPolitics: I donāt care if my #Covid_19 vaccine comes from either Pfizer, Moderna or Oxford/AstraZeneca, as long as itās been through regulatory scrutiny, says Prof Peter Openshaw
š RT @BBCPolitics: Infectious virus droplets can remain suspended in the air for more than an hour says SAGE scientific adviser Professor Wendy Barclay, from Imperial College London