A South African examine confirmed that the danger of hospitalisation from the omicron BA.2 sub-variant is just like that from the unique pressure, a senior scientist stated.
The examine within the nation, the place the BA.2 pressure is now dominant, could not extrapolate to different nations as a lot of the immunity South Africans have is from prior infections with Covid-19 reasonably than vaccinations, Cheryl Cohen, head of the Centre for Respiratory Ailments on the Nationwide Institute for Communicable Ailments, stated on a web based press convention. That would give higher safety she stated.
The emergence of BA.2 brought on concern because it seems to be extra transmissible than BA.1, the pressure first recognized.
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