Senior author Gregory Poland, M.D., director of the Mayo Clinic Vaccine Research Group, says, “We were looking into the intercellular reactions that occur when vaccinated and unvaccinated persons are exposed to and infected with smallpox virus. We were able to use blood samples taken directly from vaccinated patients.We could see what would happen based on exposing a mixed-cell peripheral blood cell population to the vaccinia virus.”
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Expert title for broadcast cg: Dr. Gregory Poland, Mayo Clinic Infectious Diseases