Could flu vaccination protect your sense of smell?

January 23, 2015 5:38 PM

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Researchers say the results are preliminary, but since respiratory viruses are a common cause of a lost ability to smell, it’s possible that the flu could be a contributing factor.

Respiratory viruses can damage olfactory nerves directly and indirectly by causing inflammation. Sometimes the effect is temporary, but not always, Dr. Zara Patel and colleagues at the Emory University School of Medicine in Atlanta, Georgia write in JAMA Otolaryngology-Head and Neck Surgery.

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