Nangarhar province is the eastern part of Afghanistan that shares a border with neighboring Pakistan. Recently, with the return of a large number of Afghans from the Torkham border of Nangarhar to Afghanistan, the number… 

  COVID-19 appeared in Wuhan, a city in China, in December 2019. Although health officials are still tracing the exact source of this new coronavirus, early hypotheses thought it may be linked to a seafood…