Experiencing a fever is a common sign ... from a distance of 1.5 cm to give a real temperature reading, and the values may not be accurate if the thermometer is not pointed at the correct angle.

Thermometers can be used to measure a person's temperature, but it's possible to suspect a fever without a thermometer. That's because there are common symptoms associated with a fever — like ...

If you're using a thermometer, chances are you're checking for a fever, which is a common symptom of many contagious illnesses like the flu. Cleaning the thermometer — which is exposed to germs ...