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05-18-2009, 09:57 PM
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#11 | |
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Come on, cat.
Join Date: Nov 2003
Location: general vicinity of Philadelphia area
Posts: 7,013
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Quote:
Pertussis decline 1900-1949(year vaccine introduced) 12.2 per 100,000 to 0.5. Diptheria decline 1900-1949(year vaccine introduced) 40.3 per 100,000 to 0.4. Typhoid decline 1900-1949 32 per 100,000 to <1. Scarlet fever decline 1900-1949 10 per 100,000 to <1.
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