Health is the valuable asset for human.We can not happy without good health.All animals need good health for live.But sometimes we are face many dangerous diseases.Diseases is harmful for all animal.If we can't know about diseases harmful after we suffer by this diseases.As a result we should knowing about diseases.Some common diseases short description analyses below: Avian influenza A (H5N1) virus The Ministry of Health and Population of Egypt has notified WHO of a new case of human infection with avian influenza A (H5N1) virus. The case is a 45 year-old female from Menofia governorate. She developed symptoms on 10 February 2012, received oseltamivir treatment on 17 February 2012 and is still recovering. The case was laboratory confirmed by the Central Public Health Laboratories; a National Influenza Center of the WHO Global Influenza Surveillance Network on 18 February 2012. Epidemiological investigation into the source of infection indicate that the case ...