CURRENTGLOBAL Russian health watchdog detects Omicron subvariant BA.4 in populationEditor Selangor JournalJune 12, 2022 by Editor Selangor JournalJune 12, 2022 MOSCOW, June 12 — A more contagious subvariant of the COVID-19 Omicron strain has slipped into Russia, Sputnik reported, quoting a senior official at the...