Successful smallpox eradication what can we learn to control COVID-19?Heymann, D L MD, ProfeseorWilder-Smith, Annelies MD, ProfessorAuthor informationDepartment of Disease Control, London School of Hygiene and Tropical Medicine, London, UKHeidelberg Institute of Global Health, University of Heidelberg, Heidelberg, GermanyTo whom correspondence should be addressed. Email: [email protected]Received May 25, 2020Received in revised form May 27, 2020Accepted May 29, 2020Journal of Travel Medicine 27(4), May 2020. | DOI: 10.1093/jtm/taaa090Copyright © Oxford University Press 2020>
