aVirology Department, School of Public Health

bDepartment of Otolaryngology, Marvasti Hospital

cDepartment of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.

Correspondence to Nazanin Zahra Shafiei-Jandaghi, Virology Department, School of Public Health, Tehran University of Medical Sciences, Tehran, 1417613151, Iran. Tel: +98 21 88962343; fax: +98 21 88962343; e-mail: [email protected]

Received 6 December, 2021

Accepted 19 April, 2022