Smallpox vax helped with HIV?
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|Tue, 05-18-2010 - 12:05pm|
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Did Smallpox Vaccine Limit HIV?
The rise of HIV followed the cessation of widespread smallpox vaccination. A small study hints at a possible connection. Steve Mirsky reports
Could the eradication of smallpox have been a factor in the spread of HIV? That’s the question posed by researchers in the journal BMC Immunology, who think that the vaccine might have offered partial protection against HIV. As smallpox was wiped out, fewer people received the vaccine. The HIV explosion followed.
In this small study, the researchers exposed immune cells from 10 smallpox-vaccinated people to HIV. Cells from 10 people never vaccinated against smallpox were also exposed. And HIV did replicate much more successfully in the cells from the non-vaccinated subjects.
Read more here: http://www.scientificamerican.com/podcast/episode.cfm?id=did-smallpox-vaccine-limit-hiv-10-05-18