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Table 3 Arithmetic mean of contamination of same samples collected between 1 month intervals

From: Occurrence of Escherichia coli and faecal coliforms in drinking water at source and household point-of-use in Rohingya camps, Bangladesh

 

Types

First time sampling

Second time (after 1 month)

Faecal coliforms

Before (n = 14)

18,593

6382

After (n = 14)

13,795

5428

Household (n = 28)

15,948

7750

E. coli

Before (n = 14)

3592

2210

After (n = 14)

2668

2233

Household (n = 28)

715

528

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Gut Pathogens

ISSN: 1757-4749