Quartan fever is a form of malaria where an onset of fever occurs in an interval of three to four days, hence the name "quartan." It is transmitted by bites of infected female mosquitoes of the genus Anopheles.

What is Tertian and Quartan?

Tertian and quartan fevers are due to the cyclic lysis of red blood cells that occurs as trophozoites complete their cycle in erythrocytes every 2 or 3 days, respectively. P malariae causes quartan fever; P vivax and P ovale cause the benign form of tertian fever, and P falciparum causes the malignant form.

What is the meaning of Quartan ague?

(of a fever, ague, etc.) characterized by paroxysms that recur every fourth day, both days of consecutive occurrence being counted. noun. a quartan fever or ague.