Estimation of incubation period for pertussis during an outbreak, indicating need for extended monitoring.
Using data from a 2024 pertussis outbreak in South Korea, we estimated a median incubation period of 11 days (95% credible interval, 9–14) and a 95th percentile of 26 days (95% credible interval, 18–31), supporting 21-day monitoring of exposed contacts and vigilance beyond day 21 in ongoing outbreaks.
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Achangwa et al. (2026) studied this question.
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