Aug.07 — Johns Hopkins Bloomberg School of Public Health Professor and Virologist Andrew Pekosz discusses questions surrounding the return of children to school and looks at phase three vaccine trials. He speaks with Bloomberg’s Francine Lacqua on “Bloomberg Surveillance.” The Bloomberg School of Public Health is supported by Michael R. Bloomberg, founder and majority owner of Bloomberg LP, the parent company of Bloomberg News.
In This Story: Vaccine
A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins.