Omicron sub-variant BA.2 harder to identify, found in 5 African nations -WHO

JOHANNESBURG (Reuters) -The BA.2 sub-variant of Omicron has been found in five African countries, a World Health Organization scientist said on Thursday, adding she was concerned about the development because samples of BA.2 may not be spotted as a form of Omicron. The BA.2 sub-variant has begun to replace Omicron’s more common “original” BA.1 variant in countries such as Denmark. Data from there suggests no difference in disease severity, according to another WHO official. “BA.2 … has been reported in five countries, that is Botswana, Kenya, Malawi, Senegal as well as South Africa,” Dr Nick…

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