BBCNEWS BBC News at Ten November 29, 2021 22:07:00
We should all be wide awake to the threat of this virus. but 0micron's very emergence is another reminder that, although many of us might think we are done with covid—19, it's not done with us. another key unknown is whether 0micron causes more severe illness. doctors in south africa say they've been dealing with mild infections from the variant, but cases there are mostly in young adults. the real test will be when 0micron starts moving into older and more vulnerable people. perhaps most crucial of all, will vaccines still work? current covid vaccines are based