noun
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).
三日熱は三日おきに発熱を繰り返すマラリアの一種です。
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.