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 [...]
List of ten important bacterial diseases: 1. Pulmonary Tuberculosis 2. Diphtheria 3. Cholera 4. Leprosy 5. Pertussis 6. Tetanus 7. Plague 8. Gonorrhoea 9. Syphilis 10. Salmonellosis. Bacterial Disease # 1. Pulmonary Tuberculosis: Pathogen - Mycobacterium tuberculae Epidemiology - Airborne & Droplet infection Incubation Period - 2-10 weeks Symptoms - Coughing; chest pain and bloody sputum with tuberculin. Prophylaxis - [...]
The following points highlight the two main modes of transmission of communicable diseases in humans. The modes are: 1. Direct Transmission of Communicable Diseases, 2. Indirect Transmission of Communicable Diseases. Mode # 1. Direct Transmission of Communicable Diseases: In this, the pathogens are transmitted from an infected person to a healthy person directly without an intermediate agent. It occurs in [...]