Fig. 2From: Circulating serotypes of dengue virus and their incursion into non-endemic areas of Pakistan; a serious threatGel photograph of the first round RT-PCR product. M: 100 bp DNA ladder (GeneRuler); 1: Positive control (provided by Molecular genetics lab in IBGE, The University of Agriculture Peshawar, Pakistan); 2: Negative control; 3–4: 511 bp specific bands of the first round RT-PCR reaction, representing DENV presence in serum samples of patientsBack to article page