Malaria (SR) is an infectious disease caused by the Plasmodium parasite, transmitted mainly by Anopheles mosquitoes that bite infected people and then transmit to healthy people. The parasite lives in red blood cells, causing typical symptoms of periodic malaria attacks accompanied by enlarged liver and spleen, anemia, severe complications, brain damage, kidney failure, liver failure, hemoglobinuria, cardiovascular collapse leading to death.

One of the common symptoms of malaria is repeated high fever accompanied by chills, the patient's body temperature is at least 38.9 degrees Celsius. This is the first symptom to appear in the patient, usually about 10-15 days after the mosquito bite.