<p>A. Distribution of 18 <i>Pvama1</i> haplotypes across surveys in 1996 and 1997. Sequences from the additional village sampled in 1997 (Koshiro) are presented separately from those of the villages sampled in both surveys. B. Haplotype frequency distribution for <i>Pfama1</i> and <i>Pvama1</i> from the 1996 survey only.</p