<![CDATA[Protection after booster against Omicron infection increases to 60 pct, to severe cases up to 90 pct]]>

<![CDATA[Protection after booster against Omicron infection increases to 60 pct, to severe cases up to 90 pct]]> https://www.stiripesurse.ro/protection-after-booster-against-omicron-infection-increases-to-60-pct-to-severe-cases-up-to-90-pct_2198510.html stiripesurse.ro Tue, 07 Apr 2026 20:51:47 GMT Thu, 20 Jan 2022 12:44:52 GMT