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Determinants of antibodies to Cryptosporidium infection among gay and bisexual men with HIV infection

Published online by Cambridge University Press:  01 April 1999

C. CAPUTO ,
A. FORBES ,
F. FROST ,
M. I. SINCLAIR ,
T. R. KUNDE ,
J. F. HOY  and
C. K. FAIRLEY
C. CAPUTO
Affiliation:
Department of Epidemiology and Preventive Medicine, Monash University, The Alfred Hospital, Victoria, Australia
A. FORBES
Affiliation:
Department of Epidemiology and Preventive Medicine, Monash University, The Alfred Hospital, Victoria, Australia
F. FROST
Affiliation:
Southwest Center for Managed Care Research (SCMCR), Albuquerque, New Mexico, USA
M. I. SINCLAIR
Affiliation:
Department of Epidemiology and Preventive Medicine, Monash University, The Alfred Hospital, Victoria, Australia
T. R. KUNDE
Affiliation:
Southwest Center for Managed Care Research (SCMCR), Albuquerque, New Mexico, USA
J. F. HOY
Affiliation:
Department of Infectious Diseases, The Alfred Hospital, Victoria, Australia
C. K. FAIRLEY
Affiliation:
Department of Epidemiology and Preventive Medicine, Monash University, The Alfred Hospital, Victoria, Australia Department of Infectious Diseases, The Alfred Hospital, Victoria, Australia
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Abstract

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A cross-sectional serosurvey for markers of prior Cryptosporidium infection was conducted among homosexual or bisexual males infected with human immunodeficiency virus (HIV); of 262 individuals approached, 236 (90%) agreed to participate. Serological response to two Cryptosporidium antigens was measured using a Western blot assay. The intensity or detection of serological responses to two Cryptosporidium antigens was not associated with CD4 cell counts or tap water consumption. A number of sexual practices were related to increased serological response for only the 27-kDa marker, including having had sex within the past 2 years, having anal sex and having had a larger number of sex partners during the past 2 years. Attending a spa or sauna was related to serological response to both the 27-kDa and 17-kDa markers. Based on these results, activities related to sexual activity appear to be a significant risk factors for prior Cryptosporidium infection.

Type
Research Article
Information
Epidemiology & Infection , Volume 122 , Issue 2 , April 1999 , pp. 291 - 297
Copyright
© 1999 Cambridge University Press