How long have coronaviruses been around? This question has been the subject of many studies. A group of viruses called the Sars-virus family is the cause of most cases of this disease.

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If you want to learn about the Moderna vaccine history, you can search for the full length version of the story on YouTube.

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South Korean President Moon Jae-in has taken his first COVID - 19 vaccine into his public arsenal or at the very least in his armory.

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