The Invention of Vaccinations
Описание Раскадровки
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.
Текст Раскадровки
- 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.
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