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We report an outbreak of listeriosis in Austria and Germany due to the consumption of Quargel cheese produced by an Austrian manufacturer. At the time of writing this report, the outbreak was known to account for 14 outbreak cases in 2009, including four cases with lethal outcome. On 23 January 2010, the cheese product was voluntarily withdrawn from the(More)
We previously reported an outbreak of listeriosis in Austria and Germany due to consumption of Quargel cheese. It comprised 14 cases (including five fatalities) infected by a serotype 1/2a Listeria monocytogenes (clone 1), with onset of illness from June 2009 to January 2010. A second strain of L. monocytogenes serotype 1/2a (clone 2) spread by this product(More)
Reported here is an outbreak of gastroenteritis due to Norovirus infection that affected at least 450 persons from nursing homes and similar institutions in Switzerland during and after an organised pilgrimage to Lourdes in France. The outbreak was characteristic of direct person-to-person transmission, with the primary cases occurring in the hospital that(More)
An outbreak of hepatitis A affecting 21 residents of an Austrian city occurred from the end of November 2007 until mid-January 2008. A case series investigation suggested the consumption of food purchased from supermarket X as the common link. A food handler employed in the delicatessen department of that supermarket had been serologically diagnosed with(More)
To determine the frequency of sporadic community-acquired Norovirus (NV) infection in the German-speaking part of Switzerland, an evaluation of gastroenteritis cases seen in physicians’ practices between July 2001 and July 2003 was conducted. A total of 699 stool specimens documented to be free of common bacterial pathogens was screened for the presence of(More)
Viral infections, particularly those caused by noroviruses (NV, genus Norovirus), are the most common cause of community-acquired gastroenteritis in Europe, with respect to both endemic and epidemic occurrence. For the first time, a general practitioner-based case-control study was performed between July 2001 and July 2003 in the German-speaking part of(More)
SETTING In 2005-2006, the Austrian reference laboratory for tuberculosis (TB) identified multidrug-resistant (MDR) isolates from four cases of TB showing genotypes indistinguishable from each other. OBJECTIVE To clarify the chain of transmission of this MDR-TB strain. DESIGN An epidemiological case series investigation by reviewing TB notification(More)