BBCNEWS Newsday November 30, 2021 01:07:00
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 labs can pick up this signal. gene sequencing will also help track the spread of the variant here. we all want to know how much of a threat omicron poses, but it will be two to three weeks before science gives us those answers. fergus walsh, bbc news. so how worried should we be ...