All COVID-19 articles – Page 3
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Study sheds light on how virus-fighting cells develop during long Covid
A new long-term study into long COVID has investigated how a certain population of white blood cells, called memory T cells, are established and develop as part of the body’s defense to fight off the disease.
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US COVID-19 rates show oscillating waves every six months
COVID-19 cases in the U.S. have shown unexpected oscillating waves every six months between the southern states and the northern states and, to a lesser degree, from east to west, according to new research.
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Scientists discover dual roles of antibodies in COVID-19 infections
A new study has discovered an antibody that can both assist and block a virus. This particular antibody helps pre-Omicron variants of the virus infect cells while preventing the Omicron variant from doing the same.
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It’s the unchanging parts of the Covid virus we also need to pay attention to, study suggests
A new study demonstrates the value of surveillance for public health initiatives, while identifying stable parts of the virus as potential candidates for small molecule drugs and other drug development.
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Scientists deploy sound waves as acoustic tweezers to separate viruses from saliva
Researchers have described a platform that uses sound waves as acoustic tweezers to sort viruses from other compounds in a liquid. In demonstrations, the method quickly and accurately separates viruses from large and small particles in human saliva samples.
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Study uncovers the specialized immune cells that fight COVID-19
A team of researchers from Osaka University has pinpointed the B cells responsible for boosting COVID-19 immunity after vaccination.
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New study provides insight to why Covid vaccines hit some harder than others
Scientists have highlighted factors that may explain why some people perceived more side effects from the SARS-CoV2 vaccine than others, including stress, exercise, and use of hormonal birth control.
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Obesity may increase susceptibility to contracting COVID-19
Electronic health record data revealed that individuals with obesity were 34% more likely to become COVID positive after reported exposure than individuals without obesity.
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Severe COVID-19 can involve either exacerbated lung inflammation or high viral replication
Researchers report a study based on autopsies of 47 patients who died after being infected by the ancestral strain of SARS-CoV-2. The findings will support clinical decisions on the treatment of critical cases.
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Newly discovered antibody protects against all COVID-19 variants
Researchers have discovered an antibody able to neutralize all known variants of SARS-CoV-2, the virus that causes COVID-19, as well as distantly related SARS-like coronaviruses that infect other animals.
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COVID-19 vaccination mandates boosted uptake among health care workers
A new study has found that state-level COVID-19 vaccination mandates successfully increased vaccine rates among health care workers, providing evidence that the policy can boost rates even in a highly vaccinated, highly educated population.
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People who recover from dengue are at higher risk of long-term health complications than those who recovered from COVID-19
People who caught dengue and recovered are more likely to face long-term health complications about a year later compared to those who contracted COVID-19, according to the findings of a Singapore-wide study.
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Disease X is a threat to free societies - so pandemic preparedness is vital this time round
The Covid-19 pandemic uncovered fracture lines in society that have the potential to destabilize free societies by internal and external groups using misinformation on social media, a new review warns.
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Nanoparticle platform offers step toward more effective Covid and HIV vaccines
Researchers have developed a nanoparticle platform that could make existing vaccines more effective, including those for influenza, COVID-19, and HIV.
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New study looks at drug exposures of COVID-19 therapy for pregnant women
A new study provides important insights into the pharmacokinetics and safety of intravenous remdesivir in treating the SARS-CoV-2 coronavirus in pregnant women.
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Largest study of its kind finds common lab tests aren’t reliable for diagnosing Long COVID
A new study found that most routine laboratory tests are not reliable for diagnosing Long Covid, also known as Post-Acute Sequelae of SARS-CoV-2 infection (PASC).
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Study reveals oleoyl-ACP-hydrolase underpins lethal respiratory viral disease
Respiratory infections can be severe, even deadly, in some individuals, but not in others. Scientists have gained new understanding of why this is the case by uncovering an early molecular driver that underpins fatal disease.
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Long Covid continues to evade diagnosis
A national cohort study of adult US participants with and without prior SARS-CoV-2 infection found that there are no objective tests to accurately diagnose post-acute sequelae of SARS-CoV-2 infection (PASC), also known as Long Covid.
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3D bioprinting advances research on respiratory viruses
A research team has successfully created artificial lungs, designed to study infections and test drugs for respiratory diseases including COVID-19.
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New research shows how testosterone may shield against severe Covid-19
A new study has revealed important information about how a patient’s testosterone level can help protect them from severe Covid-19.