Normal body temperature can range between 97°F and 99°F — 98.6°F isn't the only normal reading. A range is more accurate because body temperature is affected by many factors, including time of day. A ...

A fever is when your body temperature is 100.4°F (38°C) or greater. See a doctor if temperatures are at least 100.4°F (38°C) for infants, 102.2°F (39°C) for children, and 103°F (39.4 C) for adults.

Sick adults and parents concerned over their children's health may have wrong ideas about what actually counts as a fever. The answer isn't as clear as many people might think and depends on a number ...

Fever is common in the symptomatic stage of COVID-19, and as workplaces and child care spaces reopen, temperature checks are one way officials are trying to identify those sick with the coronavirus.