True, and that's what I thought a few days ago. But they've also been tracking growth of the new strain at the same time. New strain has been responsible for a

True, and that's what I thought a few days ago. But they've also been tracking growth of the new strain at the same time. New strain has been responsible for a growing proportion of positive tests. May be coincidence, but they are being cautious. E.g. see graph here https://twitter.com/The_Soup_Dragon/status/1340349639946629120?s=19 https://twitter.com/The_Soup_Dragon/status/13403496399466291... Edit: complete conjecture but if new strain is more infectious but less dangerous it might actually be helpful in the long run as it might displace other strains. Fingers crossed