Cited by 25Water Treatment and DisinfectionVibrio bacteria research studiesFecal contamination and water quality

The DOI matches its Crossref record; 14 of the 14 references it cites were found in a registry or an index.

Evaluation of pot-chlorination of wells during a cholera outbreak, Bissau, Guinea-Bissau, 2008

Open access
Cavallaro, Elizabeth C., Harris, Julie R., da Goia, Mauricio Serafim, dos Santos Barrado, Jean Carlos, da Nóbrega, Aglaêr Alves, de Alvarenga Júnior, Inácio Carvalho, Silva, Augusto Paulo, Sobel, Jeremy, Mintz, Eric·2011·Journal of Water and Health

Abstract

We evaluated the ability of UNICEF-designed pot-chlorinators to achieve recommended free residual chlorine (FRC) levels in well water in Bissau, Guinea-Bissau, during a cholera outbreak. Thirty wells were randomly selected from six neighbourhoods. Pot-chlorinators – perforated plastic bottles filled with gravel, sand and calcium hypochlorite granules – were placed in each well. FRC was measured before and 24, 48 and 72 h after placement and compared with World Health Organization (WHO)-recommended levels of ≥1 mg L−1 for well water during cholera outbreaks and 0.2–5 mg L−1 in non-outbreak settings. Presence of well covers, distance from wells to latrines, and rainfall were noted. Complete post-chlorination data were collected from 26 wells. At baseline, no wells had FRC >0.09 mg L−1. At 24, 48 and 72 h post-chlorination, 4 (15%), 1 (4%) and 0 wells had FRC ≥1 mg L−1 and 16 (62%), 4 (15%) and 1 (4%) wells had FRC between 0.2 and 5 mg L−1, respectively. Several families reported discontinuing household water chlorination after wells were treated with pot-chlorinators. Pot-chlorinators failed to achieve WHO-recommended FRC levels in well water during a cholera outbreak, and conveyed a false sense of security to local residents. Pot-chlorination should be discouraged and alternative approaches to well-water disinfection promoted.

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  1. [5]5. Garandeau, R.  Chlorination for Hand Dug Wells in Peri- urban Monrovia, Liberia, MS thesis, Cranfield University, Silsoe. Available from: ochaonline.un.org/OchaLinkClick. aspx?link¼ocha&docId¼1164880 (accessed 20 November 2009)
  2. [14]14. Null, C., Kremer, M., Miguel, E., Mullainathan, S. & Zwane, A.  Persuasion, prices, and peers: Iterative evaluations of water treatment adoption. In Paper presented at WEF Disinfection Conference, March 2, 2009, Atlanta, GA.
  3. [18]18. WHO  Disinfection: WHO Seminar Pack for Drinking Water Quality. World Health Organization, Geneva, Switzerland. WHO  Guidelines for Drinking-Water Quality: Volume 1 2006 First Addendum to Third Edition. WHO, Geneva. WHO  Global Task Force on Cholera Control. Cholera Country Profile: Guinea Bissau. Available from: http://www.who.int/cholera/countries/ GuineaBissauCountryProfile2008.pdf (accessed 20 November 2009). WHO a Cholera: global surveillance summary, 2008. Weekly Epidemiological Record 84 (31), 309-324.

Metadata

Authors
Cavallaro, E. C., Harris, J. R., da Goia, M. S., dos Santos Barrado, J. C., da Nóbrega, A. A., de Alvarenga Júnior, I. C., Silva, A. P., Sobel, J., & Mintz, E.
Affiliations
  • Centers for Disease Control and Prevention (US)
  • Bissau Department of Water and Sanitation, Ao cuidado de Eng. Leonel Gomes, Guiné Telecom Apartado 100-1011 Bxo Codex República da Guiné-Bissau
  • Sergio Arouca Public Health National School, Oswaldo Cruz Foundation, Rua Leopoldo Bulhoes, 1480 – Manguinhos, 21041-210, Rio de Janeiro, RJ Brazil
  • EPISUS/CIEVS/SVS, Esplanada dos Ministerios, Bloco G, Brasilia, DF Brazil
  • WHO Guinea Bissau, Av. Pansau Na Isna, PO Box 177, Bissau, Guinea-Bissau
  • Ministério da Saúde - Secretaria de Estado, Avenida Unidade Africana, Caixa Postal 50-1013 Bissau Cedex, República da Guiné-Bissau
Venue
Journal of Water and Health
Published
2011-04-25
Volume
9
Issue
2
Pages
394-402
ISSN
  • 1477-8920 (ISSN-L)
  • 1996-7829
OpenAlex
W1990536002
Cited by
25
References
14
Citations by year
2025: 1 · 2024: 1 · 2023: 1 · 2022: 2 · 2020: 8 · 2019: 2 · 2018: 4 · 2017: 3 · 2016: 1 · 2015: 2
FWCI
0.00
Type
journal article
Language
en
Open access
Locations
  • Journal of Water and Health (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Water Treatment and Disinfection
  • Life Sciences › Immunology and Microbiology › Microbiology › Vibrio bacteria research studies
  • Physical Sciences › Environmental Science › Water Science and Technology › Fecal contamination and water quality
Keywords
free residual chlorine, cholera outbreak, calcium hypochlorite, well water quality, Bissau, waterborne disease control
MeSH terms
Cholera, Disease Outbreaks, Guinea-Bissau, Humans, Hydrogen-Ion Concentration, Water Supply, World Health Organization, Water Purification, Halogenation

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