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PubMed COVID-19 Clinical Care

20671 - 20680 of 57555 results found

Mapping SARS-CoV-2 antigenic relationships and serological responses

Date
Thursday, October 05, 2023 - 4:00 AM
Description
During the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic, multiple variants escaping preexisting immunity emerged, causing reinfections of previously exposed individuals. Here, we used antigenic cartography to analyze patterns

Effectiveness of mRNA COVID-19 monovalent and bivalent vaccine booster doses against Omicron severe outcomes among adults aged ≥50 years in Ontario, Canada: a Canadian Immunization Research Network (CIRN) Study

Date
Thursday, October 05, 2023 - 4:00 AM
Description
We estimated the effectiveness of booster doses of monovalent and bivalent mRNA COVID-19 vaccines against Omicron-associated severe outcomes among adults aged ≥50 years in Ontario, Canada. Monovalent and bivalent mRNA COVID-19 booster doses provided