The disorder is referred to as extended COVID-19 when symptoms continue for more than 12 weeks. Up to 200 different symptoms are covered by the long COVID.
According to scientists, some COVID-19 symptoms can last for months or even years. Stephen Kent from The University of Melbourne and Chansavath Phetsouphanh from the Kirby Institute at UNSW Sydney wrote this in a June 10 article for The Conversation.
Exploring Long COVID-19
It is crucial to know the causes in order to develop data-backed treatments for these symptoms.
SARS-CoV-2, the virus that causes COVID-19, could serve as an example of this.
Here is a list of recent scientific findings. Other viruses found in the body include the human immunodeficiency virus (HIV), herpesviruses, and viruses that cause glandular fever such as the Epstein-Barr virus.
The virus that causes COVID, SARS-CoV-2, might serve as an illustration of this. The science’s current discoveries are listed below.
The human immunodeficiency virus (HIV), herpesviruses, and viruses that cause glandular fever like the Epstein-Barr virus are among the other viruses found in the body.
This indicates that the virus hides inside cells and is inactive. Particularly HIV can slumber contaminated cells all over the body.
It can nevertheless encourage immunological activation and inflammation even though it is inactive. Even months or years after the initial infection, tissues from infected patients have been shown to contain other viruses like Zika, measles, and Ebola.
Chronic illnesses may result from this viral persistence. According to numerous studies, COVID can also trigger the latent Epstein-Barr virus that has persisted in the body.
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Fatigue and Cognitive Impairment Explored
According to research, this has been connected to weariness as well as cognitive and logical issues in those with lengthy COVID-19.
How can we be certain that COVID stays in the body? SARS-CoV-2 (RNA) and protein genetic sequences have been found in tissues and feces (poo) samples months after infection in several studies.
In the many autopsy reports included in these investigations, tissues from persons who passed away up to seven months after infection were shown to contain viral RNA and protein.
At least 50% of the analyzed samples of heart, lymph nodes, eye, nerve, brain, and lung tissue contained SARS-CoV-2 RNA.
Four months after infection, in intestinal tissues taken during a colonoscopy, which uses a tiny tube to remove tissue from the large intestine, viral RNA was discovered in patients who survived.
Four months after the nasopharyngeal and throat swabs were taken, the PCR findings for these patients’ asymptomatic COVID were negative.
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