146. A national health surveillance system detects an unexpected increase in hospitalizations for severe pneumonia. What is the urgent epidemiological action?
A.
Assume it is seasonal variation.
B.
Initiate an investigation to determine if it is an emerging infectious disease or environmental cause.
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C.
Advise general public to get flu shot.
D.
Only notify hospitals individually.
📖 Additional Information
Assume it is seasonal variation.
Initiate an investigation to determine if it is an emerging infectious disease or environmental cause.
