Effect of Omicron on the prevalence of COVID-19 in international travelers at the Mexico city international airport. December 16th, 2021 to January 31st, 2022

Gustavo Olaiz-Fernández, Félix Jesús Vicuña de Anda,Jorge-Baruch Diaz-Ramirez,German E. Fajardo Dolci, Patricia Bautista-Carbajal, Antonio Humberto Angel-Ambrocio,Miguel Leonardo García-León, Elena Gómez Peña, Jorge Alejandro Camacho Morales,Rosa Maria Wong-Chew

Travel Medicine and Infectious Disease（2022）

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摘要

•10% of Mexico City International Airport travelers during the fourth wave tested positive to SARS CoV2.•78% of cases were asymptomatic, those traveling to North America were 4 times higher.•The highest asymptomatic/symptomatic ratio of all ages (8.7) was in younger than 20 years old.

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Travel medicine,Travel-related illness,COVID-19 testing,Asymptomatic infections,Epidemiologic factors,Pandemics

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