State of New York: New York State Department of Health Study Shows Continued Effectiveness of COVID-19 Vaccines

State of New York: New York State Department of Health Study Shows Continued Effectiveness of COVID-19 Vaccines. “The New York State Department of Health today announced the release of a new study addressing one of the most critical questions regarding COVID-19 – the extent to which vaccine effectiveness is declining and whether these changes are due to waning immunity or other factors such as the predominance of the Delta variant. The study, which expands upon the work of the Department’s first-in-the-nation vaccine effectiveness study published by the Centers for Disease Control and Prevention (CDC) in August, concluded that declines in vaccine effectiveness (VE) for cases may have been driven primarily by the Delta variant or factors other than immunological waning, such as reduced use of masks. In contrast, VE for hospitalizations remained high, with modest declines limited to Pfizer-BioNTech and Moderna recipients 65 years of age and older. This finding supports targeted booster dosing recommendations.”

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