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Smallpox
Reports on smallpox findings from National Institutes of Health provide new insights
October 29th, 2008
According to a study from the United States, "The success of the World Health Organization smallpox eradication program three decades ago resulted in termination of routine vaccination and consequent decline in population immunity. Despite concerns regarding the reintroduction of smallpox, there is little enthusiasm for large-scale redeployment of licensed live vaccinia virus vaccines because of medical contraindications and anticipated serious side effects." "Therefore, highly attenuated strains such as modified vaccinia virus Ankara (MVA) are under evaluation in humans and animal models. Previous studies showed that priming and boosting with MVA provided protection...
Source: Vaccine Weekly (2008-10-29)
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