Image may be NSFW. Clik here to view.I was grateful to receive my second, or “booster,” shot of the Moderna COVID-19 vaccine at the NIH Clinical Center on Jan. 19, 2021. As NIH Director, I’ve closely followed the development of this and other FDA-authorized vaccines, which have been rigorously tested for safety and efficacy. To protect both yourself and others, I encourage you to get vaccinated when the opportunity arises. Credit: NIH