Accepted: 24 October 2020
First Online: 30 October 2020
Compliance with Ethical Standards
: Van Thuan Hoang, Jaffar A. Al-Tawfiq, and Philippe Gautret declare that they have no conflict of interest.
: This article does not contain any studies with human or animal subjects performed by any of the authors.
Free to read: This content has been made available to all.