Epidemiology and Antimicrobial Resistance of International Travel-Associated Campylobacter Infections in the United States, 2005–2011.

CAMPYLOBACTER infections; CHI-squared test; CONFIDENCE intervals; STATISTICAL correlation; DRUG resistance in microorganisms; MEDICAL cooperation; MULTIVARIATE analysis; POISSON distribution; PUBLIC health surveillance; QUINOLONE antibacterial agents; RESEARCH; RESEARCH funding; STATISTICS; T-test (Statistics); TRAVEL; LOGISTIC regression analysis; DATA analysis; PREDICTIVE validity; RETROSPECTIVE studies; DESCRIPTIVE statistics; ODDS ratio

Objectives. The objective of this study was to determine the role international travel plays in US Campylobacter epidemiology and antimicrobial resistance. Methods. In this study, epidemiological and antimicrobial resistance data, encompassing the years 2005 to 2011, from 10 sites participating in the Foodborne Diseases Active Surveillance Network were linked. The 10 sites are represented by 7 states that conducted surveillance on a statewide level, and 3 states which conducted county-level surveillance. Cases of Campylobacter among persons with history of international travel in the week prior to illness were compared with cases among individuals with no international travel. Results. Approximately 18% of Campylobacter infections were estimated to be associated with international travel, and 60% of international travel-associated infections had a quinolone-resistant Campylobacter isolate. Conclusions. We confirm that international travel plays a significant role in campylobacteriosis diagnosed in the United States. Recognizing this is important to both medical management decisions and understanding burden and attribution estimates of US campylobacteriosis and antibiotic-resistant campylobacteriosis. [ABSTRACT FROM AUTHOR]

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