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Nasal Vaccine for Smallpox Confers High Levels of Immunity Without Safety Risks
March 11th, 2008
Scientists at NanoBio Corporation and the University of Michigan have demonstrated their nasally delivered vaccinia vaccine can protect animals against 77 times the potentially lethal dose of smallpox, and without the safety risks of current vaccines for smallpox. Vaccinia virus is related to smallpox virus and builds immunity against it. The new vaccine confers a high level of safety because it contains inactivated vaccinia virus, not the live virus contained in current smallpox vaccines, according to the scientists. Live viruses can elicit adverse reactions; yet previous attempts to use inactivated virus have failed to rouse an adequate immune response against...
Source: TB & Outbreaks Week (2008-03-11)
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