province (1) surveillance (1) mesure (méthode analytique) (1) contamination (1) Afrique (1) Monitoring (1) Water (1) Value (1) Units of measurement (1) South Africa (1) Months (1) Measurement (1) Intestines (1) Feces (1) Escherichia coli (1) Enterobacteriaceae (1) Bacteria (1) province (1)