Corrigendum to “Characterization of the efficiency and uncertainty of skimmed milk flocculation for the simultaneous concentration and quantification of water-borne viruses, bacteria and protozoa” [J. Microbiol. Methods 134 (2017) 46–53]

Rural environments lack basic sanitation services. Facilities for obtaining water and disposing sewage are often under the initiative of each resident, who may not be able to build and maintain them properly. Thus, water for human consumption is subject to fecal contamination and, consequently, the presence of waterborne pathogens, such as enteric viruses. This study evaluated fecal contamination of water samples from individual sources used for domestic water supply on small farms in the state of Goiás, Brazil. Samples were collected from 78 houses whose water sources were tubular wells, dug wells, springs, and surface waters. Escherichia coli (EC) bacteria, analyzed by the defined chromogenic substrate method, was used as a traditional indicator of fecal contamination. The enteric viruses Human mastadenovirus (HAdV) and Enterovirus (EV), analyzed by qPCR, were tested as complementary indicators of fecal contamination. At least one of these markers was found in 89.7% of the samples. Detection rates were 79.5% for EC, 52.6% for HAdV, and 5.1% for EV. The average concentration for EC was 8.82 × 10 1 most probable number (MPN) per 100 mL, while for HAdV and EV the concentrations were 7.51 × 10 5 and 1.89 × 10 6 genomic copies (GC) per liter, respectively. EC was the most frequent marker in ground and surface water samples. HAdV was detected significantly more frequently in groundwater than in surface water and was more efficient in indicating contamination in tubular wells. There was no association of frequencies or correlation of concentrations between EC and HAdV. HAdV indicated human fecal contamination and performed well as a complementary indicator. The results reveal that a large part of the analyzed population is vulnerable to waterborne diseases caused by enteric pathogens.

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Escherichia coli, Species C Human Adenovirus, and Enterovirus in Water Samples Consumed in Rural Areas of Goiás, Brazil

Lima

Scalize

Gabriel

et al. 2021

Food Environ Virol

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Occurrence of pathogens in the river–groundwater interface in a losing river stretch (Besòs River Delta, Spain)

Jurado

Bofill-Mas

Vàzquez-Suñé

et al. 2019

Science of The Total Environment

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Evaluation of a virus concentration method based on ultrafiltration and wet foam elution for studying viruses from large-volume water samples

Forés

Rusiñol

Itarte

et al. 2022

Science of The Total Environment

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Corrigendum to “Characterization of the efficiency and uncertainty of skimmed milk flocculation for the simultaneous concentration and quantification of water-borne viruses, bacteria and protozoa” [J. Microbiol. Methods 134 (2017) 46–53]

Cited by 5 publications

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Escherichia coli, Species C Human Adenovirus, and Enterovirus in Water Samples Consumed in Rural Areas of Goiás, Brazil

Escherichia coli, Species C Human Adenovirus, and Enterovirus in Water Samples Consumed in Rural Areas of Goiás, Brazil

Occurrence of pathogens in the river–groundwater interface in a losing river stretch (Besòs River Delta, Spain)

Evaluation of a virus concentration method based on ultrafiltration and wet foam elution for studying viruses from large-volume water samples

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