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(2020). How to recognize Covid-19 symptoms from the omicron variant Still, loss of taste and smell is commonly associated with mild COVID-19 symptoms. How does COVID-19 cause people to lose sense of smell? And how many RELATED: Kids Who Had COVID-19 Are Twice As Likely To Develop This Chronic Condition. Loss of taste or smell, once a hallmark COVID-19, has become a relatively rare symptom. "I would not be surprised if the answer is due to differences in viral behavior in terms of where the virus best replicates," Scott Roberts, an assistant professor at Yale School of Medicine, told Insider. Journal of the Neurological Sciences. They can cause swelling in the nose. Research into COVID loss of taste and smell sheds new light on problem Cigarettes can also affect how you smell and taste. Omicron BA.5 variant | COVID-19 | UC Davis Health Influence of medications on taste and smell. To make things more confusing, some people get their sense of taste and smell back without any treatment. Studies may only reflect certain segments of the population: young and otherwise healthy, as well as those who are fully vaccinated. Lack of smell and taste can put people at risk for malnutrition, dehydration and unhealthy weight loss. Barresi, M., et al. The paper, Decreasing Incidence of Chemosensory Changes by COVID-19 Variant, is based on data provided by the National COVID Cohort Collaborative, a database sponsored by the National Institutes of Health with over 3.5 million patient cases. But your sense of taste and smell may never return to what it was before. Less than 20% of people with COVID-19 in the UK are reporting loss of smell. Flu-like symptoms, including fatigue, headache, fever, and chills. (2008). However, an itchy throat is more commonly associated with allergies. Compared with people who never lost their sense of taste or smell, those who did were roughly twice as likely to test positive for virus-fighting antibodies, the researchers reported in the journal PLoS One. You may also notice that foods dont taste the same as they used to or that you cant smell things as well anymore. A December report from the Centers for Disease Control and Prevention identified just three instances of loss of taste or smell among the first 43 Omicron cases confirmed in the US. Researchers think the immune systems inflammatory response to the infection can slow down how quickly taste buds renew and replenish.. "All the classic symptoms fever, cough, and loss of smell are much less prevalent in the current positive cases.".