Doctors believe that BA.5 could be the worst subvariant of COVID-19. Here's why. Health experts warn that the Omicron BA. 5 subvariant leads to more severe COVID-19 conditions for many people, including reinfections with "more painful" symptoms that might impact even vaccinated individuals.
As Beijing's stringent no-tolerance viral campaign continued, hundreds and thousands of people were placed under lockdown in a small Chinese city on Tuesday after just one case of COVID-19 was found.