Fig. 1

Effect of the elapsed time post-feeding on the success of PCR amplification of cytB (228 bp) from human blood meal in Anopheles stephensi. The numbers above the well are the elapsed time intervals (h) post-feeding. Amplification was successful up to 84 h post-feeding. CytB, Cytochrome b; M, 100-bp marker; N, Negative control; P, positive control