Vaccination does not alter post-COVID smell and taste loss
- An international team led by Daniel Hwang from The University of Queensland found that COVID-19 vaccination typically does not change persistent smell or taste problems, according to research published in Laryngoscope Investigative Otolaryngology.
- Following anecdotal reports on Facebook, researchers investigated whether COVID-19 vaccination influences persistent sensory changes after initial infection. The research was sparked by accounts shared in a support group for people experiencing loss of smell and taste.
- Researchers conducted a multilingual survey of 1,352 vaccinated participants from 52 countries between May 2022 and August 2023. For more than 90% of study participants, smell and taste remained unchanged after receiving their COVID-19 vaccination.
- The findings provide reassurance that vaccination typically does not worsen existing symptoms. However, Hwang noted the observational study design prevents researchers from confirming that vaccination caused the rare improvements some participants reported.
- Separate research from Colorado Anschutz identified reduced levels of the protein PLC inside taste cells, offering measurable biological evidence that may explain why some patients experience persistent taste loss long after initial infection.
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13 Articles
Research identifies changes in taste buds in patients with persistent symptoms for more than one year
Vaccination has little impact on post-COVID smell and taste issues, study shows
Researchers examining whether COVID-19 vaccination affects persistent smell or taste problems after contracting the virus have found that, in most cases, it does not. Dr. Daniel Hwang from The University of Queensland's Institute for Molecular Bioscience led an international research team to investigate changes in smell and taste following COVID-19 vaccination, particularly among people who experienced persistent sensory changes after contractin…
Scientists discover why some people still can’t taste food after COVID-19
Scientists have uncovered a possible explanation for why some people struggle to taste food more than a year after recovering from COVID-19. By examining taste buds from patients with lingering symptoms, researchers discovered molecular abnormalities that weaken the signals responsible for detecting sweet, bitter, and savory flavors.
It has been discovered a possible explanation for the loss of taste after VOCID-19 Some people continue to have problems with the perception of the taste of food even more than a year after infection with VOCID-19. Researchers have identified changes in taste buds, which could ...More...
Scientists have found a possible explanation for why some people continue to experience difficulty with their sense of taste more than a year after recovering from COVID-19.
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