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Article History

Received: 24 May 2022

Accepted: 24 February 2023

First Online: 3 March 2023

Declarations

:

: The study was carried out after getting approval letter (<b>IHRPG1/8/2021)</b> from the Institutional Review Board (IRB) of Jimma University. Official permission from the concerned bodies of institution and written informed consent from each participant was obtained. Participation were voluntary and participant’s information was kept confidentially. The research was conducted in accordance with the declaration of Helsinki. Furthermore, prevention approaches to COVID-19 transmission were strictly followed according to WHO recommendations. At the laboratory, laboratory technologists and assistants follows standard safety precautions to protect the personnel as well as the environment by using WHO-approved safety devices and protocols.

: Not applicable.

: The authors hereby affirm that the manuscript is original, that all statements asserted as facts are based on the authors’ careful investigation and accuracy, that the manuscript has not been published in total or in part previously and has not been submitted or considered for publication in total or in part elsewhere. Each author acknowledges he/she has participated in the work substantively and is prepared to take public responsibility for the work and authors have no competing interest in the results of the article.