Haemagglutination-inhibiting variola antibodies in blood serum of former smallpox patients, their healthy siblings, and unvaccinated controls from other areas


Haemagglutination-inhibiting variola antibodies were compared in 50 smallpox survivors (P), 50 siblings who had shown no signs of smallpox (CI) and 44 persons living in villages which had apparently been free of the infection during recent years (CII). Only unvaccinated persons were examined. Distribution of titres was identical in groups P and CI, whereas… (More)
DOI: 10.1007/BF00278662


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