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Monday, December 5, 2022

New research suggests that there are four factors that may increase the likelihood of living a long life

One of the most often asked questions about long-term Covid is: who is most prone to contracting it? Could you please tell me if some people are more susceptible than others to developing physical, neurological, or cognitive impairments that may manifest months after their coronavirus infections have cleared up? Any disparities exist between the two groups, do you think?

Following more than 200 patients for two to three months following their Covid diagnosis, a team of researchers has reported that they have discovered biological variables which may aid in predicting whether or not a person may acquire lengthy Covid.

Researchers discovered four characteristics that might be recognised early in a person’s coronavirus infection that looked to be associated with an increased likelihood of experiencing persistent symptoms weeks later. The findings were published Tuesday in the journal Cell.

The researchers said that they had discovered a link between these characteristics and extended Covid (also known as post-acute sequelae of Covid-19, or PASC) regardless of whether the original infection was severe or moderate, according to their findings. They speculated that the results might point the door to new approaches of preventing or treating certain instances of extended Covid, such as the potential of administering antiviral drugs to patients as soon as an infection has been discovered.

He and other experts, as well as the study’s authors, stressed that the results were exploratory in nature and that they would need to be confirmed by a significant amount of more research.

Nonetheless, Dr. Deeks said, “They have discovered these four significant elements.” The hypotheses are all physiologically reasonable, and they are all compatible with theories that other people are exploring. Most importantly, they are all actionable! If these pathways are proven, we as physicians will be able to create therapies that will genuinely help individuals get well.

One of the four characteristics found by the researchers is the quantity of coronavirus RNA in the blood early in the illness, which serves as an indication of viral load at the time of the study. In addition, some autoantibodies — antibodies that wrongly target tissues in the body, as they do in illnesses such as lupus and rheumatoid arthritis — may be found in the blood of patients. An further risk factor is the reactivation of the Epstein-Barr virus, a virus that infects the vast majority of individuals, frequently while they are young, and then normally goes dormant after that.

In addition, having Type 2 diabetes is a risk factor, however the researchers and other experts cautioned that in larger-scale studies with a greater number of people, it may be discovered that diabetes is simply one medical condition that increases the risk of extended Covid.

Dr. Jason Goldman, the study’s lead medical author, works at Swedish Medical Center in Seattle, where he is an infectious disease specialist. The study had several components and involved dozens of researchers from several universities and research centres, including the Institute for Systems Biology, the University of Washington, and the Swedish Medical Center in Seattle.

Twenty-nine participants, ranging in age from 18 to 89, who were infected with the coronavirus during 2020 or early 2021 and who were seen at Swedish Medical Center or an associated clinic comprised the main study population. Many were admitted to the hospital for treatment of their original infections, while others were treated solely as outpatients. The researchers examined blood and nasal swabs taken from patients when they were first identified, during the acute phase of their illnesses, and two to three months after the infection was discovered.

Mr. Gillotte said that he does not have diabetes and was unaware of whether or not he had the other three risk factors since the researchers stated that the study protocol prohibited them from releasing information about participants.

Ms. Gillotte, on the other hand, had been reinfected with the coronavirus in October 2020, which Dr. Heath speculated might reflect one of the theories that emerged from their research: that patients with higher levels of autoantibodies had lower levels of protective antibodies against the coronavirus, potentially making them more vulnerable to reinfection

Dr. Deeks believes that reduced protective antibody levels may possibly be a factor in the development of long-term illnesses. “If you don’t have a robust antibody response, you don’t get rid of the virus; you end up with more virus around, which leads to a longer Covid,” he said.

Doctor Heath, on the other hand, said that, in general, the study had shown that the four biological variables crossed and overlapped, indicating that there may be relatively simple strategies to prevent lengthy Covid from occurring in the first place. The symptoms are difficult to trace down months later because you’ve “lost that knowledge,” but “if you go back when those symptoms are initially triggered, it really seems to be controllable,” says the doctor.

Jonathan James
I serve as a Senior Executive Journalist of The National Era
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