Vaccine in a Sentence 🔊

Definition of Vaccine

a special substance that is made of a weakened virus or disease that is used to prevent them from getting the actual illness

Examples of Vaccine in a sentence

The very first vaccine was created by a scientist looking for a substance that would prevent people from getting smallpox. 🔊

Researchers are looking to use a weakened form of malaria to create a vaccine to stop people from becoming sick with the deadly disease. 🔊

The invention of the smallpox vaccine has led to the disease disappearing from the world almost completely. 🔊

Before a vaccine was created to prevent people from getting diphtheria, it killed thousands of people every year.  🔊

A vaccine has not be created to prevent someone from getting HIV, but scientists are working on creating such a substance.  🔊

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