This multicenter, case-control study found that the vaccine effectiveness of 2024-2025 COVID-19 vaccines was associated with protection against COVID-19 hospitalization and severe in-hospital outcomes ...
Sustained protection through 6 months, but effectiveness slipped as newer strains emerged ...
Vaccine effectiveness (VE) against COVID-related hospitalization was 40% (95% confidence interval [CI], 27% to 51%) through ...