New studies through a European organization of experts on impaired smell disorders at the University of East Anglia show that patients with COVID-19 can breathe freely and have no tendency to have a congested or congested nose and lose their sense of smell, seem to lose even more their sweet and bitter taste.
Examination of how loss of smell and taste related to COVID-19 infection differs from others with other reasons for upper respiratory tract infections, adds weight to the theory that COVID-19 infects the brain and central nervous system.
The study team hopes that their paintings can expand odor and taste tests for the immediate detection of COVID-19, in the number one care and emergency services.
According to the team’s lead researcher, Professor Carl Philpott of norwich Medical School at the University: “Loss of smell and taste is a symptom of COVID-19, but it is also a non-unusual symptom of a severe cold.”Know precisely what differentiates COVID-19 odor loss with the kind of odor loss you might have with your nose cold and clogged.
The study team conducted odor and taste tests on 10 COVID-19 patients, 10 other people with no wrong blood, and an organization of 10 other healthy people, all matched for age and sex.
Philpott said: “We look to see if its odor and taste control effects can help distinguish between covid-19 patients and those with a severe cold.We know that Covid-19 behaves like other respiratory viruses, for example by causing an overreaction of the body’s immune system, called a cytokine storm, and that it affects the nervous system.
“We suspect that odor loss patterns would be different between the two groups.We have found that odor loss is much deeper in Covid-19 patents.They were less able to identify the smells and could not identify sour or sweet flavors.In fact, it was this loss of true taste that seemed to be provided to covid-19 patients compared to those who had colds.
“This is very exciting because it means that odor and taste tests can be used to distinguish between covid-19 patients and others with flu or bloodless.
“While these tests cannot update formal diagnostic equipment, such as throat swabs, they may offer an option when traditional testing cannot be performed or when early detection is needed, i.e. at number one care, emergency departments, or airports.
“This study also shows that other things are happening regarding loss of smell and taste in patients with Covid-10, who have a severe cold.
“Coronavirus has already been warned that it affects the central nervous system, based on neurological symptoms evolved through some patients.There are also similarities to SARS, which would also have penetrated the brain, with all likelihood receptors of odors in the nose.”
“Our effects reflect, at least to some extent, the involvement of the central nervous system formula in some patients with COVID-19.
“It is particularly attractive that COVID-19 becomes sweet and bitter taste receptors, as they are known to play a vital role in innate immunity.
“More studies are needed to see if the genetic variation of people’s bitter and sweet taste receptors can predispose them to COVID-19, or vice versa, if COVID-19 infection alters the functioning of these receptors, either through a cytokine typhoon: the overreaction of the body’s immune system”.
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