<p>Chalachew Yenew1, Almaw Genet Yeshiwas2</p><p>&nbsp;</p><p>1Department of public health, College of Health Sciences, Debre Tabor University</p><p>2Environmental Health Department, College of Medicine and Health Sciences, Injibara University, Injibara, Ethiopia</p><p>2Environmental Health Department, College of Medicine and Health Sciences, Injibara University, Injibara, Ethiopia</p><p>&nbsp;</p><p>&nbsp;</p><p>Correspondence: Chalachew Yenew, Email: <a href="mailto:chalachewyenew50@gmail.com">chalachewyenew50@gmail.com</a>, Tel: 0945 56 30 08</p>