Figure 1From: Comparative study of enteric viruses, coliphages and indicator bacteria for evaluating water quality in a tropical high-altitude system Percentage of RT-PCR positive samples. Rotavirus (RV), enterovirus (EV) and astrovirus (AST) in water used for irrigation over annual cycles (2001 and 2002). The Astrovirus genome was not detected either of the two warm-rainy seasons, and the genome rotavirus was not detected during the 2002 warm-rainy.Back to article page