By Dr. Sanchari Sinha Dutta, Ph.D.Jan 14 2024 A recent study published in the journal Eurosurveillance claims that the recent upsurge in cases with the JN.1 variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) may not be due to the immune escape ability of the variant. Rapid Communication: Humoral immune escape by current SARS-CoV-2...
Category: <span>Virology</span>
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Exercise makes long COVID worse, and researchers may now know why
By Rich Haridy New research reveals impaired oxygen absorption and mitochondrial dysfunction in muscle cells may explain why exercise makes long COVID patients feel worseDepositphotos One of the most consistently reported symptoms of long COVID is the tendency for strenuous exercise to make the condition worse. Not only does long COVID reduce a person’s capacity for...
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RSV found to infect nerve cells & may cause inflammatory nerve damage
By Paul McClure Researchers have found that RSV, very common in children, can also infect and damage nerve tissue Depositphotos Thought only to infect the respiratory tract, new research has proved for the first time that the respiratory syncytial virus (RSV), very common in young children, can also penetrate nerve cells directly, triggering excessive inflammation and...
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New COVID variants better infect lungs, could cause more severe disease
By Rich Haridy Research indicates newer COVID variants stemming from BA.2.86 can infect the lungs more effectively than any variant since Delta Depositphotos A newly published study from researchers at Ohio State University has found the recently emerged BA.2.86 variant of SARS-CoV-2 has a greater propensity for infecting certain lung cells than any prior Omicron variant....
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Cause of fatigue in long Covid patients has finally been revealed
ByChrissy Sexton Earth.com staff writerResearchers at the Amsterdam University Medical Center have made a significant discovery regarding the persistent fatigue experienced by long Covid patients. The experts have identified a biological cause for this debilitating symptom: reduced energy production by mitochondria in muscle cells. Focus of the studyThe study participants, including 25 long Covid patients...
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A new coronavirus variant is taking over, but its symptoms don’t seem any worse
Covid cases appear to be climbing, according to Dr. Mandy Cohen, the director of the Centers for Disease Control and Prevention — and one particular variant seems to be fueling the virus’ spread. JN.1, as the variant is known, accounted for around 21% of Covid cases in the U.S. as of Dec. 9, up from...
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Viral Persistence and Serotonin Reduction Can Cause Long COVID Symptoms, Penn Medicine Research Finds
PHILADELPHIA—Patients with long COVID – the long-term symptoms like brain fog, fatigue, or memory loss in the months or years following COVID-19 – can exhibit a reduction in circulating levels of the neurotransmitter serotonin, according to new research published today in Cell. The study, led by researchers from the Perelman School of Medicine at the...
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Long flu’ has emerged as a consequence similar to long COVID
Study shows patients hospitalized for flu or COVID-19 face increased risk of long-term health problems, death by Kristina Sauerwein New research from Washington University School of Medicine in St. Louis and the Veterans Affairs St. Louis Health Care System comparing the viruses that cause the flu and COVID-19 shows that people hospitalized with seasonal influenza also...
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Saltwater Gargling May Help Avoid COVID Hospitalization
Marcia Frellick ANAHEIM, California — Gargling and nasal rinsing with saltwater several times a day appeared to be associated with significantly lower COVID-19 hospitalization rates in a small, randomized, double-blind, controlled study. “The hypothesis was that interventions that target the upper respiratory tract may reduce the frequency and duration of upper respiratory symptoms associated with...
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WHO upgrades BA.2.86 to COVID-19 variant of interest as US proportions grow
The World Health Organization (WHO) last week reclassified the Omicron BA.2.86 variant—and its offshoots, including JN.1—as a variant of interest as global proportions grow, including in the United States, where it now makes up about 9% of circulating viruses, the Centers for Disease Control and Prevention (CDC) said today.Not as dramatic as Omicron-Delta jump The...