Viral and bacterial fevers can be distinguished from each other by pathogens, symptoms, duration of illness, and physical indicators. 1. Different pathogens: viral fever mainly occurs after infection with viruses, such as influenza virus; bacterial fever is mainly due to infection with bacteria, such as Staphylococcus aureus, for different pathogens caused by the symptoms should be under the guidance of the doctor’s medication. 2. Symptoms are different: no matter which kind of fever, patients usually have headache, muscle pain, fever, but viral fever usually have no chills, while bacterial fever may first have chills, and then the temperature rises, and is accompanied by tonsillar pus and other symptoms, but purely from the above symptoms, there will be a lack of certain accuracy. 3. Differences in the course of the disease: viral fever lasts for a longer period of time, and the fever is easy to recur, and the temperature is usually above 39℃, while bacterial fever usually lasts for a shorter period of time, and the symptom of recurring fever is less frequent, and the temperature is usually around 38℃. 4. Different body index examination: When the blood routine examination is carried out during fever, viral fever is usually elevated lymphocytes, and bacterial fever is usually elevated white blood cells. The treatment for viral fever and bacterial fever is different, you should consult a doctor in time, follow the doctor’s instructions for medication and pay attention to keep warm.