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An infant under two months old has died from pertussis, also known as whooping cough, in Mississippi.

Pertussis cases in the state have sharply increased, with 115 cases reported in 2025 compared to 49 in 2024.

Health officials recommend the DTaP vaccine for young children and the Tdap booster for older children and adults.

Pregnant women are advised to get a Tdap dose during the third trimester to help protect their newborns.

The Mississippi Department of Health announced via press release Monday, Sept. 29, that an infant died from pertussis, also known as whooping cough.

The state Department of Health said the infant was less than two months old and was not age–eligible to be vaccinated against the disease.

The department does not provide details of the gende

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