Duration and Degree of Immunity against Smallpox Conferred by Infantile Vaccination
نویسنده
چکیده
By J. L. PINTO, d.p.ii. Director, Government Vaccine Institute, Belgaum, Bombay Presidency The question of duration and degiee of immunity against smallpox conferred by primary or infantile vaccination is certainly of very great interest, from both the theoretical and practical points of view. The importance and advantages of infantile vaccination are almost universally recognized and admitted. In ?ost countries vaccination of infants is enforced to
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