Bolivia confirms spread of more contagious Covid-19 subvariants

Bolivia confirms spread of more contagious Covid-19 subvariants According to the Minister, this has caused a sustained increase of 60 per cent in Covid-19 infections in the last few weeks. He said that the World Health Organisation has designated the BA.4 and BA.5 subvariants as "variants of concern" and of greater contagion, news agency reported. https://ift.tt/rfwTAd8