Ear, nose, and throat manifestations of COVID-19 and its vaccines

Table 1 Following coronavirus disease 2019 immunizations, some studies observed otorhinolaryngological problems

Ref.	Country	Date	Number of cases	Symptoms	Vaccine
Colella et al[49]	Italy	February 2021	1	Left Bell’s palsy	First dose of Pfizer
Repajic et al[50]	United States	February 2021	1	Left Bell’s palsy	Second dose of Pfizer
Konstantinidis et al[25]	Greece Germany	May 2021	2	Hyposmia	Second dose of Pfizer
Keir et al[51]	United States	June 2021	1	Phantosmia	Second dose of Pfizer
Lechien et al[52]	France Belgium Italy	September 2021	6	Smell abnormalities (n = 5); taste abnormality (n = 1)	The first injection of AstraZeneca (n = 4); a second injection of Pfizer (n = 2)
Wichova et al[53]	United States	October 2021	30	Hearing loss (25), vertigo (5), dizziness (8), tinnitus (15)	Moderna (n = 18), Pfizer (n = 12)
Jeong and Choi[54]	Korea	December 2021	3	SSNHL	One case after Oxford-AstraZeneca, 2 cases after Pfizer

SSNHL: Sudden sensorineural hearing loss.