Acquired Immunity


Girolamo Fracastoro (1478-1553) explained that acquired immunity to smallpox results from the expulsion during the first illness of the menstrual blood contaminant without which clinical disease could not recur.


 
 
 
 
 
 
International Union of Immunological SocietiesUniversity of South AfricaInstitute of Infectious Disease and Molecular MedicineElizabeth Glazer Pediatric Aids FoundationStellenbosch University