Epidemiology and Public Health - Infectious disease Transmission and Reservoirs
14 important questions on Epidemiology and Public Health - Infectious disease Transmission and Reservoirs
How do pathogens spread through airborne droplets?
- Examples: Influenza; measles; tuberculosis
What are examples of transmission through waterborne vehicles?
- Examples: Cholera; giardiasis
How can diseases be transmitted through contaminated food?
- Examples: Staphylococcal food poisoning; salmonellosis
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What is a mode of transmission involving soil?
- Examples: Tetanus
How are diseases transmitted through soil aerosols or infected animals?
- Examples: Histoplasmosis; coccidioidomycosis
How do pathogens spread through vectors?
- Examples: Typhus; Lyme disease; malaria
What are the three steps involved in the transmission of infectious diseases?
- Travel
- Entry into a new host
What are examples of infectious diseases that can be transmitted through direct person-to-person contact?
- Influenza
- Sexually transmitted diseases
How can infectious diseases be transmitted through vehicles?
- Vectors
What is a characteristic of the transmission of California encephalitis, in contrast to influenza?
How are some pathogens able to reproduce inside vectors as alternative hosts?
What is a chronic carrier of an infectious disease and examples of diseases where this can occur?
- E.g. Hepatitis B, HIV/AIDS, Tuberculosis
Why can some infectious diseases be challenging to control in terms of onset of symptoms?
What makes diseases with complex lifecycles challenging to control in terms of transmission?
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