The Invention of Vaccinations
Storyboard Popis
Vaccinations | Eradication of Diseases through Vaccines | Vaccinations allow a body to develop immunity to a pathogen by stimulating the immune system. A vaccine is substance that contains an agent the looks like a pathogen and is typically injected into the bloodstream.
Text z Príbehu
- VACCINATION Vaccinations allow a body to develop immunity to a pathogen by stimulating the immune system. A vaccine is substance that contains an agent the looks like a pathogen and is typically injected into the bloodstream.
Bolo vytvorených viac ako 30 miliónov storyboardov