More cases of hearing and balance disorders have been observed after people received COVID-19 vaccines, according to a recent study, which asked vaccinated people to remain alert to such complications.
"Our study found an increased relative incidence of vertigo in the 42 days following mRNA vaccines, and an increased relative incidence of tinnitus in the 42 days following both Vaxzevria adenovirus vector and mRNA vaccines," researchers wrote.
No Rise in Cases of Hearing Loss In the same study, the researchers reported that there was "No increased relative incidence in hearing loss" in the 42 days following any COVID-19 vaccine.
The authors concluded that their analysis "Supports the opinion that there is no increased incidence of hearing loss following COVID-19 vaccines."
Researchers recorded the impact of two types of vaccines-AstraZeneca's adenovirus vector vaccine and mRNA-based vaccines from Pfizer and Moderna.
The researchers found an increase in vertigo incidence following mRNA vaccines, and an increase in tinnitus incidence following both AstraZeneca and mRNA vaccines.
While the "Effect size is very small," the researchers of that study said their findings suggest the Pfizer COVID-19 vaccine "Might be associated with increased risk of SSNHL." Tinnitus Takes Toll on Quality of Life Back in 2021, Gregory Poland, director of the Mayo Clinic's Vaccine Research Group in Rochester, Minnesota, developed tinnitus after receiving his second shot of the COVID-19 vaccine.
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