BBCNEWS BBC News December 22, 2021 14:16:00
Of the olympics might have something to do with it. xi'an isn't that far to the west of beijing and they've seen omicron taking off in other parts of the world and itjust shows what china is prepared to do with its still sticking to the back to zero covid strategy. fascinating research from the us, scientists have been studying immunity levels for those that have been double vaccinated and then caught coronavirus. their findings have been raising eyebrows and it could have significant implications. let's speak to the report authors, from the oregon health and science university. thanks forjoin...