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Long Covid, a loosely explained set of conditions that other people report after contracting Covid-19, has yet to be well understood, either by the biology in question or its estimated prevalence.
The new study from the Netherlands turns out to answer at least the question of the moment. Participants were asked to report symptoms of what they were experiencing since the beginning of the pandemic, allowing researchers to determine how occasionally safe situations occur in other people who were not inflamed and in whom they were.
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It is known what may be only the main symptoms of Long Covid: chest pain, shortness of breath, pain when breathing, pain when breathing, muscle pain, loss of taste and smell, tingling in the extremities, lump in the throat, feeling hot and cold. , heavy arms or legs and general fatigue. ” There is a pressing need for information on the magnitude and extent of long-term symptoms experienced by some patients after Covid,” Judith Rosmalen of the University of Groningen, leader of the study. , he said in a statement.
“However, most previous studies on Long Covid have not looked at the frequency of those symptoms in other people who have not been diagnosed with Covid-19 or who have looked at the symptoms of individual patients prior to Covid-19 diagnosis. “Rosmalen added.
Among participants who submitted information about pre-COVID-19 symptoms, researchers found that 21. 4% (381 of 1782) of COVID-19-positive participants had at least one of the symptoms discussed above with at least moderate severity. In comparison, only about 8. 7% (361 out of 4130) had those symptoms in the group, which would possibly be the result of a series of diseases, adding up to chronic situations. This allowed the researchers to eliminate situations that might not be similar to Covid-19. In comparison, this translates to a higher prevalence of 12. 7% of prolonged COVID symptoms, which seemed to last between three and five months after an infection.
“These fundamental symptoms have primary implications for long-term research, as those symptoms can be used to distinguish between post-COVID-19 status and non-COVID-19 symptoms,” study first author Aranka Ballering said, according to the statement. . .
“The post-COVID-19 condition, also known as prolonged covid-19, is a pressing challenge with a growing number of human victims. Understanding key symptoms and prevalence in the general population represents a major advance for our ability to design studies that may ultimately have successful healthcare responses to the long-term symptoms of COVID-19. “
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A variety of factors, adding imaginable long-term effects on the brain and cardiovascular system, are being studied to uncover the biological basis of Long Covid. The authors of the new study said long-term studies want to look at the effects on intellectual fitness. also.
“Future studies come with symptoms of intellectual fitness (p. e. g. , symptoms of depression and anxiety), as well as other post-infectious symptoms that we may not evaluate in this study (such as mental confusion, insomnia, and post-exertional discomfort). We have not been able to investigate what might cause any of the symptoms seen after covid-19 in this study, but we hope that long-term studies can give insight into the mechanisms involved,” Rosmalen said, adding that due to the timing of the study, which was conducted starting in March 2020, just before the Netherlands began to widely vaccinate other people a year later, the effects of vaccination against covid-19 and other variants of Sars-CoV-2 on prolonged covid-19 were still unknown.
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