The time interval of appearance of fever in the malarial patients depends on the types of malaria. The research evidences suggest that such time intervals are-(1) 36-48 hours, (2) 48 hours and (3) 72 hours. If any such patient experiences fever at an interval of 48 hours, then the said patient suffers from

only benign tertian malaria

quarantan malaria or mild tertian malaria

malignant tertian malaria or benign tertian malaria

mild tertian malaria or benign tertian malaria

Solution

mild tertian malaria or benign tertian malaria

Mild tertian malarial fever is caused by Plasmodium ovale and benign tertian malarial fever is caused by Plasmodium vivax in which patient experiences fever at an interval of 48 hours or every other day counting inclusively. The fever is induced by the release of merozoites and their invasion of new red blood corpuscles.