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Occupational exposure to Streptococcus suis type 2

Published online by Cambridge University Press:  15 May 2009

I.D. Robertson  and
D.K. Blackmore
I.D. Robertson
Affiliation:
Department of Veterinary Pathology and Public Health, Massey University, Palmerston North, New Zealand
D.K. Blackmore
Affiliation:
Department of Veterinary Pathology and Public Health, Massey University, Palmerston North, New Zealand
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Summary

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Antibody titres toStreptococcus suis type 2 were measured with an enzyme linked immunosorbent assay (ELISA) in four occupational groups in New Zealand. No veterinary students, 9% of dairy farmers. 10% of meat inspectors and 21% of pig farmers were seropositive to S. suis type 2. The development of antibody to S. suis type 2 was associated with occupational contact with pigs or their meat products. Subclinical infection withS. suis type 2 appears to occur in humans and the antibody produced is of only short duration. The annual incidence of subclinical infection and seroconversion in pig farmers may approach 28%. ThusS. suistype 2 may be one of the most infectious potentially zoonotic agents present in New Zealand, although very rarely resulting in clinical disease.

Type
Special Article
Information
Epidemiology & Infection , Volume 103 , Issue 1 , August 1989 , pp. 157 - 164
Copyright
Copyright © Cambridge University Press 1989

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