https://www.bworldonline.com/russia-reports-cases-of-more-contagious-covid-19-delta-subvariant/
MOSCOW — Russia has reported “isolated cases” of coronavirus disease 2019 (COVID-19) with a subvariant of the Delta variant that is believed to be even more contagious, the state consumer watchdog’s senior researcher said on Thursday.   The researcher, Kamil …
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