List of nine important viral diseases seen in humans: 1. Chickenpox 2. Smallpox 3. Poliomyelitis 4. Measles 5. Mumps 6. Rabies 7. Trachoma 8. Influenza 9. Hepatitis. Viral Disease # 1. Chickenpox (Varicella): Pathogen - Herpes-zoster virus (DNA- virus) Epidemiology - Contagious & Formite borne Incubation Period - 12-20 days Symptoms - Dark red coloured rash or pox changing into [...]
The following points highlight the six main symptoms of viral diseases. The symptoms are: 1. Mosaic Spotting 2. Ring Spotting 3. Chlorosis 4. Distortion 5. Necrosis 6. Breaking of Blossoms. Symptom # 1. Mosaic Spotting: In this case usually the leaves, sometimes the blossoms and other parts of the host plants show spots or patches of light green, yellow or [...]
In this essay we will discuss about:- 1. History of Bird Flu 2. Symptoms of Bird Flu 3. Causative Agent 4. Prevention 5. Dissemination 6. Persons in Danger 7. Caution from WHO 8. Available Drugs. Essay on the History of Bird Flu: Bird flu or avian influenza is a viral disease of birds — it spreads in different countries by [...]