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Toxins and virulence factors of enterotoxigenic Escherichia coli associated with strains isolated from indigenous children and international visitors to a rural community in Guatemala

Artikel i vetenskaplig tidskrift
Författare O. R. Torres
W. Gonzalez
O. Lemus
R. A. Pratdesaba
J. A. Matute
Gudrun Wiklund
D. A. Sack
A. L. Bourgeois
Ann-Mari Svennerholm
Publicerad i Epidemiology and Infection
Volym 143
Nummer/häfte 8
Sidor 1662-1671
ISSN 0950-2688
Publiceringsår 2015
Publicerad vid Institutionen för biomedicin, avdelningen för mikrobiologi och immunologi
Sidor 1662-1671
Språk en
Länkar dx.doi.org/10.1017/s095026881400229...
Ämnesord Diarrhoea, enteric bacteria, enterotoxin, Escherichia coli, travellers' infection, KILLED ORAL VACCINE, COLONIZATION FACTORS, DEVELOPING-COUNTRIES, YOUNG-CHILDREN, DOUBLE-BLIND, TRAVELERS DIARRHEA, DISEASE BURDEN, FIELD, TRIAL, ETEC, PREVALENCE, Public, Environmental & Occupational Health, Infectious Diseases
Ämneskategorier Gastroenterologi

Sammanfattning

Diarrhoea remains a common cause of illness in Guatemala, with children suffering most frequently from the disease. This study directly compared the frequency, enterotoxin, and colonization factor (CF) profiles of enterotoxigenic Escherichia coli (ETEC) strains isolated from children living in a rural community in Guatemala and from Western visitors to the same location during the same seasons, using similar detection methodologies. We found that ETEC accounted for 26% of severe cases of diarrhoea in children requiring hospitalization, 15% of diarrhoea in the community, and 29% of travellers' diarrhoea in visitors staying >= 2 weeks. The toxin and CF patterns of the ETEC strains isolated from both groups differed significantly (P < 0.0005) as determined by chi(2) = 60.39 for CFs and chi(2) = 35 for toxins, while ETEC phenotypes found in Guatemalan children were comparable to those found in children from other areas of the world.

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