Just got the latest Covid shot on Fri. Going on a trip next month so purposely waited to maximize effectiveness.
Timely report on the latest vaccine effectiveness. 54% beats the flu vaccine.
Early Estimates of Updated 2023–2024 (Monovalent XBB.1.5) COVID-19 Vaccine Effectiveness Against Symptomatic SARS-CoV-2 Infection Attributable to Co-Circulating Omicron Variants Among Immunocompetent Adults — Increasing Community Access to Testing Program, United States, September 2023–January 2024 | MMWR.
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Updated monovalent COVID-19 vaccines provided 54% (95% CI = 46–60%) protection against symptomatic SARS-CoV-2 infection in persons recently vaccinated compared with those who did not receive an updated vaccine dose. Vaccination provided protection for infections caused by JN.1 and infections caused by XBB-related lineages. Waning of effectiveness is expected with additional elapsed time since vaccination
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It talks about protection against catching it but don't think it gets into protection from hospitalization or severity of infection if you catch it.
I also thought quote below was interesting, implying good/maximum vaccine effectiveness through at least 4 months.
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These early estimates include the period only through 119 days since vaccination, a relatively brief postvaccination period, with no substantial waning.
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