#1385 COVID vaccine

A COVID‑19 vaccine is a [vaccine](https://en.wikipedia.org/wiki/Vaccine) intended to provide [acquired immunity](https://en.wikipedia.org/wiki/Acquired_immunity) against [severe acute respiratory syndrome coronavirus 2](https://en.wikipedia.org/wiki/Severe_acute_respiratory_syndrome_coronavirus_2) (SARS‑CoV‑2), the virus that causes coronavirus disease 2019 ([COVID‑19](https://en.wikipedia.org/wiki/COVID-19)). Prior to the [COVID‑19 pandemic](https://en.wikipedia.org/wiki/COVID-19_pandemic), an established body of knowledge existed about the structure and function of [coronaviruses](https://en.wikipedia.org/wiki/Coronavirus) causing diseases like [severe acute respiratory syndrome...View all