Although cases of malaria have occurred throughout the world, quartan fever typically occurs in the subtropics.

What is the Tertian fever?

Fever that recurs every third day, i.e., with bouts of fever at 48-hour intervals, that characteristically occurs with Plasmodium vivax malaria. From: tertian fever in A Dictionary of Public Health »

Where is Plasmodium malariae found?

malariae has wide global distribution, being found in South America, Asia, and Africa, but it is less frequent than P. falciparum in terms of association with cases of infection. P. knowlesi is found in southeast Asia.