Health
Both Covid-19 and common cold patients lose taste and smell, but studies have found significant differences
Both Covid-19 and common colds can block your smell and taste. But how do you distinguish them? According to the new study, there are some important differences. These findings could help build odor and taste tests for rapid Covid-19 screening in the emergency department and airports, the researchers say.
In this study, European researchers investigated how odor and taste disorders differ from patient to patient. The study included 30 participants, 10 of whom were Covid-19, 10 were cold, and 10 were healthy. All participants participated in aroma and taste tests to study the differences.
“Smell and loss of taste are prominent symptoms of Covid-19, but even common symptoms of a cold are There is.” so statement.. They set out to understand the difference in olfactory loss between a new coronavirus infection and a cold or stuffy nose.
Their analysis showed that Covid-19 patients had a stronger odor loss. “They couldn’t identify the smell,” Philpot said. Moreover, these patients, unlike other respiratory infections, do not suffer from stuffy nose, runny nose or nasal obstruction. They also lose the ability to detect bitter and sweet tastes. In fact, it was this loss of true taste that seemed to be present in Covid-19 patients compared to those with colds,” he added.
Loss of olfaction and taste from the association of Covid-19 with its brain
All these differences add weight to the theory that the new coronavirus attacks the brain and nervous system. “We know that Covid-19 behaves differently than other respiratory viruses. For example, it can overreact the body’s immune system, known as the cytokine storm, or affect the nervous system. It will have an impact,” said Philpott.
Some Covid-19 patients have brain-related symptoms. For example, there is a condition known as encephalitis, which is swelling and inflammation of the brain. Other disorders such as delirium, consciousness disorders, and stroke are also associated with this disorder. “Our results reflect, at least in part, specific involvement at the level of the central nervous system in some Covid-19 patients,” he said.
Researchers want to understand if some versions of the gene can make some people more vulnerable to odors and loss of taste. “Whether genetic variations in people’s bitter and sweet receptors make them susceptible to Covid-19, or conversely, whether Covid-19 infection alters the function of these receptors either directly or through a cytokine storm. Further research is needed to see if this is the reaction of the body’s immune system.”
Still, the results pave the way for developing screening tools. “Such tests can’t replace formal diagnostic tools such as pharyngeal swabs, but if traditional tests are not available or if rapid screening is needed, especially at the level of primary care, the emergency department, or We can provide an alternative at the airport.”
This study Linology..
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