Epidemiological Study of Outbreaks and Sporadic Cases Due to Vibrio parahaemolyticus-Serotype O3:K6 in Aichi Prefecture, Japan, during 1988 and 2001
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概要
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Percentage of the outbreaks by O3: K6 Vibrio parahaemolyticus (<I>V</I>. <I>p</I>) in Aichi Prefecture Japan increased from 3% (3/86) for 1988-95 to 75% (33/44) for 1996-2001. The percentage of the sporadic diarrhea cases caused by O3: K6 <I>V</I>. <I>p</I> in a general hospital in Aichi Prefecture also increased from 0% (0/253) to 61% (135/221) during the same periods.<BR>Thermostable direct hemolysin (TDH)-positive O3: K6 were isolated from 95% (19/20) of the outbreak incidents and 100% (135/135) of the sporadic cases. Only one TRH (TDH-related hemolysin)-positive O3: K6 was isolated from one outbreak incident.<BR>Percentage of the outbreaks by O3: K6 <I>V.</I> <I>p</I> associated with the consumption of boiled shellfishes increased from 5% (6/117) for 1988-95 to 25% (15/59) for 1996-2001, in particular, boiled crabs and squillas associated outbreaks increased from 2% (2/117) to 17% (10/59) and from 2% (2/117) to 10% (6/59), respectively.<BR>From 1, 548 raw sea foods sampled in the Nagoya Central Wholesale Market in Aichi Prefecture in 1995-99, one TDH-positive O3: K6 was isolated from one live squilla (1/30).<BR>Increase in the percentage of outbreaks associated with TDH-positive O3: K6 <I>V. p</I> after 1996 in Aichi Prefecture was revealed to correlate with the increase in the outbreaks associated with consumption of boiled sea foods, especially boiled crabs as well as squillas. Accordingly, it becomes clear that sanitary handling of these boiled foods is important to prevent outbreaks and sporadic cases of diarrhea caused by O3: K6 <I>V. p</I> infection.
- The Japanese Association for Infectious Diseasesの論文
The Japanese Association for Infectious Diseases | 論文
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