Wolde, Amsalu Mekonnen
Jemal, Kemal http://orcid.org/0000-0001-8922-1827
Woldearegay, Gebru M.
Tullu, Kassu Desta
Article History
Received: 25 October 2019
Accepted: 20 February 2020
First Online: 9 March 2020
Ethics approval and consent to participate
: Ethical clearance approval was obtained from Addis Ababa University College of Health Sciences. Official letter was obtained from AAWSA, and water samples were collected and tested with the unique identification code, and all confidentiality of the results was maintained with great care.
: N/A
: The authors declare that they have no competing interests.