A five year - survey (1997-2001) on food poisoning in Yen Bai province

Retrospective study on the food poisoning during 5 years (1997-2001) in Yen Bai province showed that: the morbility rate was 0.06%. The highest rate was in Van Yen distric (26%). The adults affected by the food poisoning was higher than children. The mortality rate of food poisoning during 5 years was 5.3%. The cause of microorganism was 41%; pesticide 30%; poisonous food as mushroom, toad egg 22.6%; wild vegetables and fruids 2%; unknown causes 4.2%. Food poisoning occoured in family meals were 58%, in crowed meals 24%. Food poisoning happened throughout the year, the highest found during April, May, June and July. The statistics was insufficient.