BBCNEWS BBC News December 16, 2021 10:11:00
Now, the rate at which it spills over is uncertain because we don't know exactly how severe it is yet, but we've no particular reason to think it's less severe than previous strains. we know that covid is always going to be less severe if you've been immunised, but it may be that, rather than the strain itself, that's making a lot of cases look less severe. in a moment, we are going to be speaking to professor tim spector from king's college london, who helped found the zoe covid app which helps gather research on the spread of the virus as well as its symptoms, but first let's take a quick lo...
Source: archive.org