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Volume 13, Number 10—October 2007

Dispatch

Using Death Certificate Reports to Find Severe Leptospirosis Cases, Brazil

Anne Spichler, Daniel Athanazio‡, Marcia Buzzar*, Bronislawa Castro*, Erica Chapolla§, Antonio Seguro†, and Joseph M. Vinetz¶Comments to Author 
Author affiliations: *Health Municipality Secretariat of São Paulo, São Paulo, Brazil; †University of São Paulo School of Medicine, São Paulo, Brazil; ‡Federal University of Bahia, Salvador, Brazil; §Laboratory Center for Zoonosis Control, São Paulo, Brazil; ¶University of California San Diego School of Medicine, La Jolla, California, USA;

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Table

Data from death notification reports in the São Paulo, Brazil, metropolitan area, January 2004–August 2006

Data from reports 2004 2005 2006
Total no. reported leptospirosis cases 285 262 167
Annual incidence per 100,000 inhabitants 2.7 2.4 1.7
Fatality rate, % 15 11 18
Total no. deaths 42 28 31
Fatal cases
Laboratory confirmed, no. (%) 28 (67) 17 (60) 17 (55)
Clinical and epidemiologically assessed, no. (%) 14 (33) 11 (40) 14 (45)
Total no. necropsies (%) 14/42 (33) 15/28 (53) 13/31 (41)
Frequency of concurrent Weil syndrome and pulmonary hemorrhage, no. (%) 12/14 (86) 10/15 (67) 9/13 (69)
Frequency of Weil syndrome without pulmonary hemorrhage, no. (%) 1/14 (7) 4/15 (27) 3/13 (23)
Frequency of pulmonary hemorrhage, no. (%) 1/14 (7) 1/15 (6) 1/13 (8)

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