Oral contraceptive usage among healthcare workers and its impact on COVID-19 booster vaccination immunogenicity.

NPJ Vaccines · 2026 · PMC13328437 · PMID 42393078

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a decreasing trendno p-value reported

Further survey-based data from the German Federal Centre for Health Education (BZgA) reveals that in 2023, 26% of women aged 18 to 49 reported utilising OC for contraception, indicating a decreasing trend from 2011, where the rate was 40% 6 , 7 .

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