Figure 4
From: Determinants of relapse periodicity in Plasmodium vivax malaria
The family history between May 1925 and May 1933 of the "Madagascar strain" of Plasmodium vivax as used in malaria therapy at the Horton hospital [30]. The number within the circles refers to the number of patients infected with the "Madagascar strain" at each time and the number over the lines refers to the batch number of the infected mosquitoes. Overall 24,361 mosquitoes and 1739 patients were infected.