( ox viruses the smallpox vaccine likely...)Researchers develop new testing methods for potential monkeypox or smallpox outbreak

ox viruses, the smallpox vaccine likely kept these inoculated people from becoming seriously ill. The researchers believe these people were fully protected against monkeypox because smallpox vaccination can provide cross-protective immunity against this virus.

"In our study, we found one subject who had fully protective immunity that was maintained for 48 years after a single smallpox vaccination," said Slifka. "In a previous study, we predicted that about 50 percent of previously vaccinated people would maintain fully protective immunity against virulent poxvirus infections, and these findings are totally in line with what we expected. What this means is that there are more than 100 million people in the U.S. that have partial or even fully protective immunity that is maintained after childhood vaccinations -- an important point to consider if we were ever to be deliberately attacked with smallpox or other dangerous poxviruses as weapons of bioterrorism".

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Source:Oregon Health & Science University


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