Why does viral influenza cause recurrent fever

Viral colds show recurrent fever, which may be related to their low immune function, or may not be immediately and reasonably treated with drugs and did not get a good rest during the treatment process. Viral colds are a self-limiting disease, generally lasting about 3 to 7 days, and their symptoms will gradually ease and disappear. During viral colds, be sure to pay attention to the regular use of drugs, pay attention to cleanliness, and maintain indoor ventilation. If these treatments are not relieved, it may be complicated with lung infection, should go to the regular hospital for examination, such as chest X-ray, blood routine, etc., has been clearly diagnosed and guided treatment.