Inci Yildirim, a pediatric-infectious-disease physician and vaccinologist at the Yale School of Medicine, said with most viral vaccines, including the coronavirus vaccines, it is not advisable to vaccinate people who have a fever or are otherwise ill. The reason is because medical professionals need to be able to differentiate between symptoms that are caused by an infection and those that are simply a side effect of the vaccine, she said.

Source: Washington Post April 30, 2021 17:37 UTC