Shifting dominance of Shigella species in men who have sex with men.

Abstract:

:Historically, Shigella sonnei has dominated other Shigella species infection in men who have sex with men (MSM) in Montréal. In early 2010, Toronto reported increased proportions of the more pathogenic S. flexneri, HIV co-infection and MSM in shigellosis cases since 2009. Analytical methods were used to assess whether S. flexneri had dominated Montréal's MSM cases since 2009 and whether changes had occurred in notifications in MSM and HIV-co-infected MSM. S. flexneri increased by 6·7% per month since 2007 and predominated in MSM since 2009 without changes in HIV co-infection or similar shifts in the general population. The results suggest that the surveillance of Shigella species in order to detect species shifts is beneficial for surveillance, given the potential for increased transmission and severity of S. flexneri in HIV-positive MSM.

journal_name

Epidemiol Infect

authors

Ratnayake R,Allard R,Pilon PA

doi

10.1017/S0950268812000738

subject

Has Abstract

pub_date

2012-11-01 00:00:00

pages

2082-6

issue

11

eissn

0950-2688

issn

1469-4409

pii

S0950268812000738

journal_volume

140

pub_type

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