BBCNEWS BBC News December 3, 2021 14:31:00
Necessarily correlate? we have seen some of these mutations _ necessarily correlate? we have seen some of these mutations around - necessarily correlate? we have seen some of these mutations around the variants so we know what we are expecting for many of these mutations and those that have not really changed the symptoms, and so there are new ones, but we are not expecting a massive difference in the symptoms. expecting a massive difference in the symptoms-— expecting a massive difference in the symptoms. from what you have seen, and the symptoms. from what you have seen. and i — the symp...