Figure 1.
Changes in the number of pretravel consultations at Global TravEpiNet (GTEN) sites during the pre-COVID-19 and COVID-19 periods, stratified by calendar quarter. We excluded pretravel consultations from the first quarter of 2020 (January 1, 2020–March 31, 2020) due to traveler uncertainty, travel disruptions, and government restrictions. Abbreviation: COVID-19, coronavirus disease 2019.
