Frank C, Walter J, Muehlen M, Jansen A, van Treeck U, Hauri AM, Zoellner I, Rakha M, Höhne M, Hamouda O, Schreier E, Stark K (2007): Major outbreak of hepatitis A associated with orange juice among tourists, Egypt, 2004
Emerg. Infect. Dis. 13 (1): 156-158.

In 2004, a major outbreak of hepatitis A among tourists returning from Egypt involved 351 case-patients from 9 European countries who were infected with a single strain (genotype 1 b). The case-control study identified orange juice as the most likely infection vehicle. Vaccination against hepatitis A virus is strongly recommended before travel to disease-endemic areas.