RT-PCR results for bat samples. The upper band (323 bp) is the internal control band. The lower band (117 bp) is the lyssavirus-specific band. Lanes 1, 2, 4 to 9, and 11 are lyssavirus negative, lane 10 is lyssavirus positive, lane 3 has presence of enzyme inhibitors, and lanes 12 and 13 are negative and positive controls (with no internal control).