Evaluating vaccine effectiveness against Omicron BA.5 and BA.2 in Portugal - News-Medical.Net

Researchers estimated the vaccine effectiveness (VE) of the primary and booster doses of COVID-19 vaccines against reinfection by Omicron BA.5 and BA.2 lineages and severe post-infection outcomes.

In a recent study posted to the Preprints with The Lancet* server, researchers estimated the vaccine effectiveness (VE) of the primary and booster doses of coronavirus disease 2019 (COVID-19) vaccine… [+7639 chars]

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