Reference: SARS-CoV-2 infection of the oral cavity and saliva by Ni Huang, Paola Prez, Takafumi Kato, Yu Mikami, Kenichi Okuda, Rodney C. Gilmore, Cecilia Domnguez Conde, Billel Gasmi, Sydney Stein, Margaret Beach, Eileen Pelayo, Jose O. Maldonado, Bernard A. Lafont, Shyh-Ing Jang, Nadia Nasir,