Vibrio cholerae O1 El Tor cluster in Sydney linked to imported whitebait.
2007
• Three cases of cholera in women aged 71, 72 and 84 years were notified in November 2006 in Sydney, New South Wales. • This is the first reported cluster of cholera in Australia for over 30 years, and was an unusual outbreak in patients with no history of recent travel to cholera-endemic areas. • A food trace-back investigation found that the only exposure common to all cases was consumption of raw whitebait imported from Indonesia. • This outbreak demonstrates that the practice of eating raw whitebait does occur in Australia, albeit in the process of taste-testing uncooked fritter batter. • All three patients were undergoing long-term therapy with proton-pump inhibitors, which may have contributed to their susceptibility to the disease. • A review of importation practices of food from choleraendemic regions may be required to prevent future MJA 2007; 187: 345–347 transmission.
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