It is not clear why multi-resistant E. coli (also known as ESBL-producing) have recently became such important causes of infections in patients living and residing in the community. A risk factor analysis study performed during 2004 and 2005 in Calgary had shown that the consumption of the same types of food or well water sources were not significant risk factors for community-associated infections due to these E. coli. However, a significant and unexpected risk factor among these Calgary patients was recent visits to certain high-risk areas such as the Indian subcontinent (India, Pakistan), Africa and the Middle East. Therefore it is possible that international travel to certain high-risk destinations might play, in part, a role in the spread of multi-resistant E. coli across different continents. This would happen via the acquisition of these bacteria in the rectums of returning travelers and the same organism would later cause an infection. However, the evidence that the spread and infections due to ESBL-producing E. coli are associated with international travel is circumstantial at best and the investigators would like to prove that this is indeed true. The basic idea of the study is to culture the stool of travelers for ESBL-producing E. coli before they leave for India, within seven days after their return to Canada and again after six months. The investigators can then establish which travelers are rectally colonized when visiting India and if these bacteria are still present six months after their return. A detailed questionnaire regarding the traveler's itinerary and behaviours in India will be completed on their return to Canada. The investigators will then compare the itinerary and behaviours of colonized travelers with those of non-colonized travelers and identify certain high-risk behaviours and places for acquiring ESBL-producing E. coli in India. The investigators will also determine if colonized travelers will later develop infections with the same ESBL-producing E. coli they acquired while visiting India.
Age range
18 Years
Sex
ALL
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To determine the rate of rectal acquisition of ESBL-producing E. coli in travelers to India (i.e. risk of becoming colonized).
Timeframe: 24 months