Health & Medicine Trachoma

1. MEKELLE UNIVERSTY COLLEGE OF HEALTH SCIENCE AYDER REFERRAL HOSPITAL OPHALMOLOGY UNIT SEMINAR ON TRACHOMA PREPARED BY GIRMAWI.M 2. CONTENT • • • • • • •Definition…

Documents 1 How did viruses originate? “Viral Mutation Evolved” Media: Pastel on paper WALTER DUPRIEST...

Slide 1 1 How did viruses originate? “Viral Mutation Evolved” Media: Pastel on paper WALTER DUPRIEST acanthusarts.org Slide 2 2 Virus first hypothesis –Originated before…

Documents How did viruses originate?

How did viruses originate? “Viral Mutation Evolved” Media: Pastel on paper WALTER DUPRIEST   acanthusarts.org   Virus first hypothesis Originated before cells Viruses…