Tag Archives | smallpox


New hypothesis links smallpox vaccination and HIV

Smallpox immunization may confer protection against HIV, say researchers who suggest that the end of smallpox vaccination in the mid-20th century may have caused the rapid contemporary spread of HIV. The new theory, published in BMC Immunology, notes that vaccinia immunization, as given to prevent the spread of smallpox, produces a five-fold reduction in HIV […]

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