Imported COVID-19 cases: A hot topic with a lack of a clear definition

Bibliographic Details
Main Authors: Guangyu Lu, Olaf Müller, Yuping Li
Format: Article
Language:English
Published: Elsevier 2021-04-01
Series:International Journal of Infectious Diseases
Online Access:http://www.sciencedirect.com/science/article/pii/S1201971221001673