Vaccines Stop Serious Omicron Cases, Australia Health Chief Says
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Existing Covid-19 vaccines are effective at preventing serious illness from the omicron variant, but they’re not as good as with other strains in preventing transmission and mild illness, Australia’s Chief Health Officer Paul Kelly said at a briefing Friday.
Three vaccine doses are roughly as effective at preventing transmission and severe disease from omicron as two are for the delta variant, Kelly said, highlighting the importance of booster shots in stemming a surge of cases in Australia.