Proportions of variation explained by genetic heritability, house and environmental factors found to have a significant effect on the phenotype measured (Table 3&6).

<p>(A) Number of clinical episodes of <i>P. falciparum</i> (PFA); (B) Number of clinical episodes of <i>P. vivax</i> (PVA); (C) Number of non-malaria clinical episodes (NMF); (D) Maximum <i>P. falciparum</i> parasite density (mx-PFD); (E) Overall <i>P. falciparum</i> parasite density (PFD); (F) Maximum <i>P. vivax</i> parasite density (mx-PVD); (G) Overall <i>P. vivax</i> parasite density (PVD). Values of 1% or less not indicated numerically in the figure.