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Have questions about the COVID-19 Vaccine? Not sure how this vaccine works, or not sure how vaccines in general work? This page will give you accurate and factual information on the COVID-19 Vaccine so that you can make informed decisions.
Developing a vaccine and bringing it to market often takes many years. But because of work that NIH was already doing when the COVID-19 pandemic began, researchers were able to come up with vaccines for this new virus much faster.