Update: Multinational listeriosis outbreak due to ‘Quargel’, a sour milk curd cheese, caused by two different L. monocytogenes serotype 1/2a strains, 2009-2010

Fretz, Rainer; Pichler, J.; Sagel, U.; Much, P.; Ruppitsch, W.; Pietzka, A. T.; Stöger, A.; Huhulescu, S.; Heuberger, S.; Appl, G.; Werber, Dirk; Stark, Klaus; Prager, Rita; Flieger, Antje; Karpíšková, R.; Pfaff, Günter; Allerberger, F.

2010-04-22Zeitschriftenartikel

Fretz, Rainer

Pichler, J.

Sagel, U.

Much, P.

Ruppitsch, W.

Pietzka, A. T.

Stöger, A.

Huhulescu, S.

Heuberger, S.

Appl, G.

Werber, Dirk

Stark, Klaus

Prager, Rita

Flieger, Antje

Karpíšková, R.

Pfaff, Günter

Allerberger, F.

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 could be linked to further 13 cases in Austria (two fatal), six in Germany (one fatal) and one case in the Czech Republic, with onset of disease from December 2009 to end of February 2010.

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