Investigations into the characteristics of BA.2, including immune escape properties and virulence, should be prioritised independently (and comparatively) to BA.1, said the World Health Organisation (WHO). The BA.2 Omicron sub-lineage differs from BA.1 in some of the mutations, including in the spike protein, the WHO wrote on its website.from World News Headlines, Latest International News, World Breaking News - Times of India https://bit.ly/3g8TUeg
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