Several families in a village develop acute watery diarrhoea after using the same water source. Which action should the community health nurse take first?
Correct answer: A. Begin a community case investigation and notify health authorities
- A. Begin a community case investigation and notify health authorities
- B. Close the health facility until the outbreak ends
- C. Give antidiarrhoeal medicine to every household
- D. Wait for laboratory confirmation before taking action
Explanation
A cluster of similar diarrhoeal illness requires rapid case finding, investigation and notification while immediate control measures begin. Waiting for laboratory confirmation can allow continued exposure, and routine antidiarrhoeal medicine does not control the source.
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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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