tertian malaria
Medical term for malaria caused by Plasmodium vivax or Plasmodium ovale, characterized by fever paroxysms every 48 hours (every third day by inclusive counting).
Tertian malaria is a type of malaria that causes fever every third day.
General term for malaria; 三日熱 specifies the tertian subtype.
Compound of 三日 (three days) and 熱 (fever), referring to the characteristic fever cycle of tertian malaria.