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多选题 According to Bob Howard (Para.14), efforts should also be directed to the four areas of focus, they are______

A. surveillance

B. science up-to-date and capable of dealing with what you discover in the field

C. Vaccination

D. appropriate prevention and control in place

E. stricter guidelines in screening and diagnosis of infectious diseases

F. strong public health infrastructure in place

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时间:2025-11-26 04:03:04

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