Author:
PEBODY R. G.,LEINO T.,RUUTU P.,KINNUNEN L.,DAVIDKIN I.,NOHYNEK H.,LEINIKKI P.
Abstract
This paper describes 2 outbreaks of hepatitis A
infection in Finland, a very low endemic area
of hepatitis A infection, where a large proportion of the
population is now susceptible to
infection by hepatitis A virus (HAV). The first outbreak
involved people attending several
schools and day-care centres; the second employees of
several bank branches in a different city.
The initial investigation revealed that both were related
to food distributed widely from
separate central kitchens. Two separate case-control studies
implicated imported salad food
items as the most likely vehicle of infection. HAV was
detected in the stool of cases from both
outbreaks using reverse-transcriptase polymerase chain
reaction; however, comparison of viral
genome sequences proved that the viruses were of different
origin and hence the outbreaks,
although occurring simultaneously, were not linked. Foodborne
outbreaks of HAV may
represent an increasing problem in populations not immune to HAV.
Publisher
Cambridge University Press (CUP)
Subject
Infectious Diseases,Epidemiology
Cited by
67 articles.
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