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Article History

Received: 3 January 2019

Accepted: 22 May 2019

First Online: 29 May 2019

Ethical approval and consent to participate

: Ethical clearance was obtained from Ethical Review Committee at College of Health Sciences and medicine in Wolaita Sodo University. Letter of cooperation was taken from zonal education department and informed verbal consent from the heads of the schools was obtained. Permission was obtained from the parents or legal guardian and verbal assent from the selected child was obtained after informing about the purpose of the study, their right to proceed or withdraw from study anytime they want anonymity and confidentiality of the study, which was maintained strictly throughout. The objectives as well as the nature of the study were explained to the parents and study participants. The study participants were informed about risks concerning specimen collection which is a little discomfort and sneezing during inserting of the swab. The final result wasn’t linked to individual students.

: Not applicable.

: The authors declare that they have no competing interests.