Omicron subvariants start to dominate as South African... - Daily Maverick

Sequencing teams analysing data from positive Covid-19 tests in South Africa have found an increase in the presence of two subvariants of Omicron BA.4 and BA.5. This comes as South Africa’s positivity rate jumped from 16% to 19% overnight on Monday.

Two Omicron subvariants are rising rapidly in South Africa and have increased in prevalence from 16% to 44%, according to the latest sequencing data released by the National Institute for Communicabl… [+3679 chars]

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