@article{Hoang_2021,
title={Tokyo olympics,
Hajj pilgrimage,
Grand Magal of Touba and COVID-19},
volume={42},
ISSN={1477-8939},
url={http://dx.doi.org/10.1016/j.tmaid.2021.102088},
DOI={10.1016/j.tmaid.2021.102088},
journal={Travel Medicine and Infectious Disease},
publisher={Elsevier BV},
author={Hoang,
Van Thuan and Goumballa,
Ndiaw and Al-Tawfiq,
Jaffar A. and Sokhna,
Cheick and Gautret,
Philippe},
year={2021},
month=jul,
pages={102088} }