Dr. Paul Offit highlights the different types of vaccines and how they are made. Visit the Vaccine Education Center to learn more about vaccines, [ Ссылка ].
![](https://i.ytimg.com/vi/bg6lHRxuc3M/mqdefault.jpg)
Dr. Paul Offit highlights the different types of vaccines and how they are made. Visit the Vaccine Education Center to learn more about vaccines, [ Ссылка ].