Presents evidence for intrauterine transplacental transmission of smallpox from a subclinical maternal case.
Indicates risk of intrauterine smallpox transmission from asymptomatic mothers; leaves open need for prospective data on incidence and prevention.
An account is given of a case of smallpox in an 8-day-old infant. Evidence for intrauterine transplacental transmission of infection from the mother, who escaped clinical disease, is presented. The mechanism of such intrauterine transmission of infection from a subclinical case is discussed.
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Sharma et al. (1971) studied this question.
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