evidence: Yes. Vaccination will provide extra protection against another case of COVID-19. Because reinfection is less likely during a short window after having COVID-19, you may consider delaying your vaccine by three months from when symptoms started or when you tested positive. But you should take into account your personal risk and rates of COVID-19 in your community, the CDC says. [...] All the COVID-19 vaccines used in the U.S. initially received an official designation called emergency use authorization from the Food and Drug Administration. During a public health emergency such as the COVID-19 pandemic, the FDA can allow the use of medical products such as the new vaccines that haven’t yet received full agency approval if they are needed to fight serious or life-threatening disease and no acceptable alternatives are available. In evaluating the evidence for an emergency use authorization, the agency must decide that the known and potential benefits outweigh the known and potential risks of the medical product in question. [...] But experts do not recommend delaying mammography after a COVID-19 shot. If you’ve had a COVID-19 vaccination recently, be sure to tell your mammography technician the date of your vaccination and in which arm you received the shot.