BBCNEWS BBC News November 29, 2021 21:04:00
But even if it does, another part of the immune system, t cells, should give significant protection against severe disease. i do not want people to panic at this stage. if vaccine effectiveness is reduced, as seems pretty likely to some extent, the biggest effects are likely to be in preventing infections and hopefully there will be smaller effects on preventing severe disease. can we test for it? omicron has a different genetic signature to delta, which often shows up on pcr tests. but only about half of uk lads can pick up the signal. gene sequencing will also help track the spread of the va...