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2003 APR 16 - (NewsRx.com & NewsRx.net) -- Virologists in Britain recommend that segments of populations in areas that might be considered targets for bioterrorism should be vaccinated against smallpox.
P.P. Mortimer and colleagues asked, "What can be achieved by the vaccination of individuals exposed to smallpox virus after release of the virus by bioterrorists?"
They pointed out that "there exist several past sources of information on postexposure vaccination failures from which it may be inferred that prompt vaccination of contacts (i.e., individuals exposed to smallpox) often prevented smallpox altogether, that revaccination of previously vaccinated individuals at any time during the first week of the incubation period was largely protective, and that revaccination done even as late as the second week of the incubation period attenuated disease and prevented most deaths.
"Primary vaccination done within four days of exposure was also usually protective at least from serious illness," Mortimer and coauthors wrote in the journal Clinical Infectious Diseases.
They stated that "modern contingency planning against the release of smallpox ...
Source: HighBeam Research, Anticipatory vaccination recommended for segments of...