Which route is most strongly associated with the transmission of hepatitis B virus?
Correct answer: B. Blood and other body fluids
- A. Contaminated food and water
- B. Blood and other body fluids
- C. Droplets from ordinary conversation
- D. Mosquito bites in rural areas
Explanation
Hepatitis B spreads through infected blood and body fluids, including unsafe injections, sexual contact and perinatal transmission. Food and water transmission is typical of hepatitis A and E, not hepatitis B.
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About Communicable Diseases
Communicable diseases are studied through the chain of infection, including the agent, reservoir, mode of transmission, portal of entry and susceptible host. Coverage includes isolation, disinfection, immunization, surveillance and outbreak control, with attention to diseases such as tuberculosis, malaria, hepatitis, polio and diarrheal infections.
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