<s>[INST] What is fever? [/INST] Fever is body normal reaction towards infection and other illnesses. It is not a disease but a symptom. Normal body temperature is between 36.5ºC-37.5ºC. Above this is fever. Indicating a viral or bacterial infection. It can also indicate chronic disease or any immunological reaction. Source: MY HEALTH GOV. Link: http://www.myhealth.gov.my/en/fever/. Field: Infectious Disease. Disease: Fever </s>