From: Comparative study of enteric viruses, coliphages and indicator bacteria for evaluating water quality in a tropical high-altitude system
Coliphages
Negative
(n = 40)
Positives
Microorganisms
n
%
N
p value
TC
1
2.5
33
82.5
0.0003
FC
0
35
87.5
0.0000
FE
40
100
EV
3
7.5
16
0.0182
RV
7
17.5
0.1502
AST
2
5
0.4587