Smell, Taste Loss Less Likely With Newer COVID Variants


By Robert Preidt HealthDay Reporter

HealthDay Reporter

WEDNESDAY, Could 11, 2022 (HealthDay Information) — For the reason that early days of the pandemic, lack of scent and style have been tied to COVID-19 an infection. However a brand new examine exhibits these telltale traits are a lot much less seemingly with the Omicron variant than the sooner Alpha and Delta variations of the coronavirus.

The findings are important in figuring out whether or not somebody has COVID-19, stated lead examine writer Dr. Daniel Coelho. He’s a professor at Virginia Commonwealth College College of Drugs, in Richmond.

“Lack of scent and style continues to be indicator of a COVID-19 an infection, however the reverse is now not true,” Coelho stated in a college information launch. “Don’t assume you’re COVID-negative simply because your sense of smell and style is regular.”

For the examine, the researchers analyzed U.S. Nationwide Institutes of Well being knowledge on greater than 3.5 million COVID-19 circumstances because the begin of the pandemic. They pinpointed six-week durations the place circumstances have been highest for every variant studied, then in contrast what number of sufferers have been identified with scent and style loss in these time durations.

Charges of scent and style loss have been 17% for Omicron, in contrast with 44% for Delta and 50% for Alpha, the investigators discovered.

The examine was revealed not too long ago within the journal Otolaryngology — Head and Neck Surgery.

“Because the pandemic continues and new variants emerge, this is excellent information for sufferers,” Coelho stated. “We now know that every variant has a unique danger issue for related scent and style loss, and have cause to imagine that newer variants are much less prone to influence scent and style.”

The impacts of the lack of scent and style are “not nearly with the ability to take pleasure in a nice bottle of wine once more; it is about security and preserving your high quality of life,” Coelho famous.

Their analysis exhibits that greater than half of individuals affected by scent and style loss have reported feeling depressed, he stated. “Sufferers with scent loss even have the next fee of dementia. Fewer individuals experiencing these signs means fewer individuals being impacted by temper modifications and cognitive issues,” he defined.


The examine additionally may assist efforts to establish what a part of the COVID-19 virus causes the lack of scent and style.

“Unlocking what causes scent and style loss within the first place will assist us higher decide deal with it,” Coelho stated.

The examine authors now plan to check how restoration time from scent and style loss varies amongst variants. They added that extra analysis is required to search out out if vaccination standing additionally performs a task in decrease charges of scent loss.

Extra info

NYU Langone Well being seems to be on the mechanism behind COVID-related lack of scent.

SOURCE: Virginia Commonwealth College, information launch, Could 10, 2022

WebMD Information from HealthDay

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