Correction to: BMC Infect Dis (2019)19:861

https://doi.org/10.1186/s12879-019-4484-3

Following publication of the original article [1], one of the authors, Dr. Sarah E. Bowden reported that at the time of the study she wasn’t working for the Division of Global Migration and Quarantine, Centers for Disease Control, 1600 Clifton Road, Atlanta, GA 30329–4027, USA. The institution should be removed from the Author details section.