Use of tetanus-diphtheria (Td) vaccine in children 4–7 years of age: World Health Organization consultation of experts

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Published
2020
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Td (reduced diphtheria toxoid, ≥2–5 IU) vaccines are currently licensed for ages 7 years and older, but use of Td vaccine for ages 4 years and older would have advantages for immunization programs in many low- and middle-income countries. For this reason, WHO convened an expert consultation to review the currently available evidence for the use of Td vaccine from 4 to 7 years of age.