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Subjects
- Acquired Immunodeficiency Syndrome -- prevention & control1
- Adult1
- Africa, Northern1
- Air Pollution1
- Americas1
- Anopheles1
- Blood Donors1
- Brazil4
- California2
- Cause of Death1
- Chicago2
- Child Health Services1
- China1
- Communicable Disease Control[remove]69
- Communicable Diseases -- epidemiology2
- Communicable Diseases -- mortality1
- Communicable Diseases -- transmission1
- DDT1
- Developing Countries1
- Disease Outbreaks2