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Chapter 122. Acute Infectious Diarrheal Diseases and Bacterial Food Poisoning (Part 6)

Tham khảo tài liệu 'chapter 122. acute infectious diarrheal diseases and bacterial food poisoning (part 6)', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Chapter 122. Acute Infectious Diarrheal Diseases and Bacterial Food Poisoning Part 6 Table 122-3 Epidemiology of Traveler s Diarrhea Etiologic Agent Approximate Percentage of Cases Comments Enterotoxigenic Escherichia coli 15-50 Single most important agent particularly in summertime in semitropical areas percentage of cases ranges from 15 in Asia to 50 in Latin America Enteroaggregative E. coli 20-35 Emerging enteric pathogen of worldwide distribution Shigella and enteroinvasive E. coli 10-25 Major causes of fever and dysentery Salmonella 5-10 Causes fever and dysentery Campylobacter jejuni 3-15 More common in winter in semitropical areas more common in Asia Aeromonas 5 Important in Thailand Plesiomonas 5 Related to tropical travel and seafood consumption Vibrio cholerae 0-10 Most common in India and Asia also common in Central and South America Rotavirus and 10-40 Latin America Asia and Africa norovirus norovirus associated with seafood ingestion on cruise ships Entamoeba histolytica 5 Particularly important in Mexico and Thailand Giardia lamblia 2 Zoonotic reservoirs in northern United States affects hikers and campers who drink from freshwater streams contaminates water supplies in Russia Cryptosporidium 2 Affects travelers to Russia Mexico and Africa causes large-scale urban outbreaks in United States Cyclospora 1 Affects travelers to Nepal Haiti and Peru contaminates water or .