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The impact of the Catholic Jubilee in 2000 on infectious diseases. A case-control study of giardiasis, Rome, Italy 2000–2001

Published online by Cambridge University Press:  28 October 2005

A. FAUSTINI
Affiliation:
Department of Epidemiology, Local Health Agency RM-E, Rome, Italy
C. MARINACCI
Affiliation:
Epidemiology Unit, Piedmont Region, Italy
E. FABRIZI
Affiliation:
Regional Public Health Agency of Lazio Region, Rome, Italy
M. MARANGI
Affiliation:
Microbiology Laboratory, Department of Infectious Diseases, La Sapienza University, Rome, Italy
O. RECCHIA
Affiliation:
Microbiology Laboratory, Hospital ‘S. Giovanni-Addolorata’, Rome, Italy
R. PICA
Affiliation:
Microbiology Laboratory, Hospital ‘S. Giovanni-Addolorata’, Rome, Italy
F. GIUSTINI
Affiliation:
Microbiology Laboratory, Pediatric Hospital ‘Bambino Gesù’, Rome, Italy
A. LA MARCA
Affiliation:
Microbiology Laboratory ‘Bios’, Rome, Italy
A. NACCI
Affiliation:
Microbiology Institute, Catholic University, Rome, Italy
G. PANICHI
Affiliation:
Microbiology Laboratory, Department of Infectious Diseases, La Sapienza University, Rome, Italy
C. A. PERUCCI
Affiliation:
Department of Epidemiology, Local Health Agency RM-E, Rome, Italy
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Abstract

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Mass gatherings are believed to increase the transmission of infectious diseases although surveillance systems have shown a low impact. The Catholic Jubilee was held in Rome, Italy in 2000. We conducted a case-control study to analyse the risk factors of giardiasis among residents. All diseases reported to the laboratory surveillance system from January 2000 to May 2001 were compared with hospital controls concurrently selected in the same season as cases and frequency-matched for age and birth country. Fifty-two cases (44·1%) and 72 controls were enrolled. In the multivariable analysis factors associated with giardiasis among adults were: travelling abroad (OR 24·2, P>0·01), exposure to surface water (OR 4·80, P=0·05), high educational level (OR 3·8, P=0·03). Having a maid from a high-prevalence country was independently associated (OR 2·3) although not statistically significant. This is the only exposure that changed during the Jubilee.

Type
Research Article
Copyright
2005 Cambridge University Press