It is one of four species of parasite that commonly cause malaria infection in humans which only invades young, immature erythrocytes.
Persistent liver stages will allow relapse up to 5 years after elimination of red blood cell stages.
taken from: http://www.vivaxmalaria.com/template_disease.htm
During the incubation period which is usually 10-17 days, the patient experiences vague influenza-like symptoms with headache, muscle pains, photophobia, anorexia, nauseas and vomitting. As infection progesses, increased number of reupturing erythrocytes liberate merozoites and toxic celluar debris and hemoglobin into the circulation.
Treatment, Prevention and Control:
It involves a combination of supportive measures and chemotherapy.