One dose of an mRNA #COVID19 vaccine may offer some protection, but two doses are needed for a better immune response. Get a COVID-19 vaccine as soon …


One dose of an mRNA #COVID19 vaccine may offer some protection, but two doses are needed for a better immune response. Get a COVID-19 vaccine as soon as you can. If you get an mRNA vaccine, be sure to get both doses. More: https://bit.ly/3btJaFU

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