A New York Medical College microbiologist warns that live virus vaccines to prevent infectious diseases like West Nile virus and yellow fever could have dire consequences. Should one of the vaccine flaviviruses recombine with a wild-type virus, a new microbe with potentially undesirable properties could result, according to Stephen J. Seligman, M.D., research professor of microbiology and immunology.
Researcher Issues Caution On Live Virus Vaccines
