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Table 2

Microbial load and seasonal variation of drinking water quality at the POU and impact of health risk in food establishments of Adds Ababa (n = 250)

Health risk categories of fecal coliforms in drinking waters samples (CFU/100 ml) based onRainy season (n = 125)
Dry season (n = 122)
Frequency%Frequency%
No health risk (0) 84 67.2 102 83.6 
Low health risk (1–10) 22 17.6 15 12.3 
High health risk (11–100) 15 12 2.5 
Very high health risk (>100) 3.2 1.6 
Health risk categories of fecal coliforms in drinking waters samples (CFU/100 ml) based onRainy season (n = 125)
Dry season (n = 122)
Frequency%Frequency%
No health risk (0) 84 67.2 102 83.6 
Low health risk (1–10) 22 17.6 15 12.3 
High health risk (11–100) 15 12 2.5 
Very high health risk (>100) 3.2 1.6 
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