Figure 4From: Temporal trends in severe malaria in Chittagong, BangladeshSeasonality. Cumulative numbers of monthly cases of P. falciparum (Pf) (a) and P. vivax (Pv) (b) at CMCH and rainfall from 1999 to 2011 (shown as average with 95% confidence interval). In a, the bottom band is 1999 and the top band 2011. c Cases of P. falciparum each month with monthly rainfall. d Monthly cumulative numbers screened for malaria with proportion and number positive for P. falciparum.Back to article page