Articles tagged with Covid 19
A new study from Tulane University found that perlecan LG3, a protein commonly found in blood vessels and the brain, forms a stable bond with the COVID spike protein, enhancing the virus's ability to bind with cells. This discovery may lead to new forms of treatment or prevention for COVID-19.
Researchers found that patients with severe immunosuppression, such as those with hematologic malignancies or organ transplants, were most likely to have chronic, prolonged infections. In contrast, patients with mild immunosuppression had similar viral shedding dynamics to non-immunocompromised participants.
A new study finds that infants born full-term to mothers infected with COVID-19 during pregnancy are three times more likely to develop respiratory distress compared to uninfected infants. Vaccination prior to infection was found to be protective, reducing the risk by half.
A research team at the University of Göttingen has discovered 'protective switches' in the SARS-CoV-2 virus that shield it from attacks by the immune system. These molecular structures were found to stabilize the protein's structure against oxidative damage, allowing the virus to replicate effectively.
A global study review found negative indirect impacts of the pandemic on people with diabetes, including a rise in non-COVID-19-related deaths, diabetic ketoacidosis among children and adolescents, and sight loss. Pediatric ICU admissions were also significantly increased.
Researchers at Brookhaven National Laboratory successfully produced large quantities of human ACE2 receptor protein in mouse cells, allowing for the study of viral receptors and potentially developing new therapies. The method could also facilitate the production of other complex proteins that have proven difficult to produce.
A University of Otago study found strong links between Long COVID and ME/CFS, suggesting a coordinated treatment approach could improve patient outcomes. The research confirmed changes in immune system activity between Long COVID patients and healthy controls, reflecting chronic dysfunction.
Researchers at Kaunas University of Technology found that low-frequency ultrasound influences blood parameters, improving oxygen saturation and lowering blood pressure. The study used artificial intelligence to analyze 300 blood samples, revealing the potential for non-pharmaceutical treatment to improve oxygen circulation.
A cross-sectional study of over 6,500 adults aged 65+ found that older adults spent an average of 20.7 days per year receiving healthcare outside the home. The 'health care contact days' metric can help evaluate care and identify areas for improvement, such as coordinating tests with visits and reducing Friday office visits.
A recent study found that primary care physicians' electronic health record (EHR) workload has continued to grow, with PCPs spending nearly 30 minutes more on EHR tasks per clinic appointment between 2019 and 2023. This increased burden can lead to burnout and affect their ability to provide adequate care.
Research reveals memory T cells formed after Omicron breakthrough infection provide enhanced immunity against future variants. The study suggests the immune system adapts to combat emerging strains, leading to higher chances of inducing memory T cell defenses.
A study by Florida Atlantic University found that work pressures increased burnout and problematic substance use among first responders, while general workplace support strategies reduced the risk. Conversely, COVID-related support strategies such as compensation during quarantine increased problematic substance use.
Researchers used the 2022 FIFA World Cup to study COVID-19 spread and hospitalizations at mass gatherings. They found that pre-travel screenings did little to prevent infections, but pre-match testing with rapid antigen or reverse transcription polymerase chain reaction tests was more effective.
Researchers found that the complement system remains activated in Long Covid patients, causing cell damage and tissue destruction. This abnormal activity can lead to thromboinflammation and other symptoms of the condition.
Spatial statistics experts have reanalyzed the COVID-19 pandemic and found that the Huanan Seafood Wholesale Market in Wuhan may not be the only possible place of origin. The study's statistical method is unsuitable for proving the hypothesis, and other flaws exist in the statistical reasoning presented.
Researchers discovered a gene expression signature that differentiates between symptomatic and asymptomatic infections, as well as positive and negative individuals. The study reveals complex interactions between viruses and the human body, with influenza leading to greater changes in gene expression.
A new vaccine design has been developed by a UC Riverside-led research team, which uses preexisting immunity to the influenza virus to help kickstart the production of antibodies against SARS-CoV-2. The vaccine aims to speed up the immune response and provide better protection for people who still lack immunity to the coronavirus.
Researchers have developed a rapid COVID-19 test inspired by bioluminescence, detecting SARS-CoV-2 protein with the same accuracy as current techniques but in just one minute. The test uses a molecule from crustaceans to produce light when interacting with the virus's spike protein.
A University of Alberta-led international network is studying very rare adverse events after vaccination, using cutting-edge techniques and unprecedented data from around the world. The goal is to enhance vaccine safety assessment and inform health authorities on the most appropriate type of vaccine for specific outbreak settings.
The American Journal of Clinical Nutrition has launched a new article series, Nutrition for the Clinician, aimed at educating physicians and healthcare professionals on the fundamentals of nutrition. The series provides continuing education that enhances clinical reasoning and use of best nutrition evidence in practice.
A new study reveals that genotyping technology detects Covid variants almost a week faster than traditional whole genome sequencing methods. This technique allowed for the rapid detection of Covid variant information, enabling local control measures such as contact tracing to be implemented more quickly.
A new study finds that SARS-CoV-2 can infect dopamine neurons, causing them to lose their ability to grow and divide, leading to inflammation and potentially severe neurological symptoms. Researchers discovered three drugs that may block or rescue infected dopamine neurons from senescence.
Researchers analyzed electronic health records and contact tracing data to evaluate the effectiveness of prevention measures implemented during the pandemic. Universal masking was found to be a crucial factor in preventing SARS-CoV-2 transmissions in healthcare settings, with airborne negative pressure rooms and N95 respirator masks no...
A large retrospective study found that vaccination against SARS-CoV-2 reduces the risk of persistent health problems in children after COVID-19. Vaccination provides stronger protection for adolescents, who are at higher risk of developing long COVID.
A study analyzed mobile device tracking data from 25 Wi-Fi access points to characterize changes in behavior at five wet markets in Hanoi. The researchers found a significant decrease in visits and market engagement during the initial COVID-19 crisis phase, with peak shopping times shifting due to behavioral changes.
Despite pandemic disruptions, emergency visits, hospital admissions, and intensive care unit stays were lower for children. However, there were delays in new diagnoses of cancer and diabetes, and an increase in diabetic ketoacidosis among children with diabetes. Researchers urge education campaigns to improve future pandemic preparedness.
Researchers studied newspaper ads from Dust Bowl states in 1934 to understand how businesses and companies reached consumers during a dual crisis. The study found that essential services used informational approaches while nonessential services relied on sensory appeals, offering valuable lessons for current mass media during emergencies.
Researchers found wearing masks led to a 2.76 case reduction per 100,000 people, while shelter-in-place measures prevented hundreds of thousands of deaths. The study aimed to dispel misinformation about nonpharmaceutical interventions.
A UK study found that between a third and a half of the population had not received the recommended number of COVID vaccinations by summer 2022. The research suggests that this under-vaccination led to over 7,000 hospitalisations and deaths that might have been avoided with better vaccine coverage.
The NHS must treat at least 10% more non-emergency hospital cases a month to reduce the backlog caused by the pandemic. Experts estimate that even increased capacity will not clear the build-up of cases before 2025.
A special Journal of Intensive Medicine issue explores the latest research findings on ICU infections, prevention strategies, and innovative approaches to sepsis management. The studies shed light on key challenges and advancements in critical care, highlighting the need for personalized treatment methods.
A recent study published in PLOS Global Public Health reveals wastewater surveillance is a crucial tool for understanding COVID-19 transmission in schools. The research found high sensitivity and correlation between SARS-CoV-2 RNA levels in wastewater and COVID-19 cases, highlighting its potential in managing public health responses.
The 2024 adult immunization schedule features four new vaccines, including the respiratory syncytial virus (RSV) vaccine, mpox vaccine, a new MenACWY-MenB combo vaccine, and updated versions of the COVID-19 vaccine. Clinicians stress the need for effective communication strategies to increase vaccine uptake among skeptical patients.
A new study suggests a universal coronavirus vaccine could have saved millions of lives and prevented suffering by offering some degree of protection against a range of strains. The study found that having a universal vaccine at the start of the pandemic would have been cost-saving even with low efficacy rates.
Researchers analyzed immune cells in people with long COVID, finding chronic inflammation and faulty T-cell activity. They also discovered signs of exhaustion and 'tissue-homing' T-cells, suggesting persistent infections may cause the condition.
The ATS 2024 International Conference in San Diego will feature scientific sessions and expert interviews on the latest developments in pulmonary, critical care, and sleep medicine. The conference will cover key subjects such as COVID-19, asthma, COPD, and air pollution.
A nationwide cohort study found that COVID-19 survivors exhibit lower all-cause mortality and congestive heart failure but higher acute myocarditis and deep vein thrombosis risks. Younger, non-vaccinated patients with preexisting cardiovascular risk factors face elevated cardiovascular complications.
The study found a decline in localized head and neck cancer incidence during the first year of the pandemic. However, advanced-stage diagnoses may rise in subsequent years, indicating a potential shift in the disease's progression.
Researchers have found that ultraviolet laser light can degrade coronavirus particles by damaging their genetic material and protein spikes. The study reveals the effectiveness of UVC laser radiation in inactivating SARS-CoV-2, with applications for public disinfection and decontamination.
Researchers at Karolinska Institutet have developed a nasal spray with IgA antibodies that can protect mice from SARS-CoV-2 infection. The treatment significantly diminished virus load in infected mice and showed stronger binding to the spike protein compared to original IgG antibodies.
A new study from the University of Kansas found that copy editors experienced high job satisfaction despite the COVID-19 pandemic, with many reporting a passion for their work. The researchers also found that the pandemic did not significantly affect burnout or role overload among participants.
Researchers from Kaunas University of Technology and Lithuanian Energy Institute investigate the possibilities of plasma gasification to convert surgical mask waste into hydrogen-rich syngas, which shows a 42% higher heating value than biomass. The obtained syngas can be used as clean fuel with low carbon emissions.
A recent study found that only 18% of US hospitals reported consistent COVID-19 reporting directives across government agencies. The research highlights the need for standardized protocols and automation to improve data submission efficiency and enhance public trust in healthcare.
A predominantly plant-based diet is associated with a 39% lower risk of COVID-19 infection. Participants who followed such diets had higher intakes of vegetables, legumes, and nuts, and lower intakes of dairy products and meat, which may help boost the immune system.
A new study from the University of Birmingham suggests that epidemic modeling can significantly overestimate infection numbers due to ignoring network structures. The researchers found that heterogeneous networks can lead to smaller epidemic waves and fewer infections, contradicting standard 'random mixing' models.
Researchers found that people with noncommunicable diseases experienced greater psychological distress, increased alcohol consumption, and disrupted medical care. Those with NCDs were more likely to report anxiety, depression, and difficulty accessing non-COVID medical care.
The Pirola variant of SARS-CoV-2 has rediscovered an entry pathway into lung cells that was previously used by earlier variants, which may promote the development of pneumonia. The virus uses the cellular enzyme TMPRSS2 for entry and is resistant to most therapeutic antibodies.
A new study reveals that people with sickle cell disease are nearly two times less likely to get vaccinated against COVID-19 compared to those without the disease. Vaccination rates were particularly low in children and teens with sickle cell disease, who face a higher risk of hospitalization and death if infected.
A study of over 5,000 adults found that acute hospital care at home (AHCaH) is associated with low mortality, escalation, and readmission rates among medically complex and socially vulnerable patients. AHCaH was also linked to improved experiences and physical activity levels.
A national study by Mass General Brigham researchers found that patients treated at home had a 0.5% mortality rate, compared to those in traditional hospitals. Home hospital care also resulted in fewer readmissions and adverse events, with consistent outcomes across diverse demographic groups.
The BA.2.86 omicron subvariant can infect human lung cells more efficiently than previous omicron variants, raising concerns about potential severe disease symptoms. While bivalent mRNA vaccines can neutralize BA.2.86, the efficiency is reduced, emphasizing the importance of getting a newer booster vaccine.
A real-world study found that COVID-19 vaccines are highly effective in protecting children and adolescents from infection, with 98% reduced risk during the delta variant phase. Vaccine effectiveness slightly declined during the omicron wave, but still provided strong protection against severe illness and cardiac complications.
Researchers at IRB Barcelona developed BioExcel-CV19, a repository of Molecular Dynamics simulations to understand SARS-CoV-2 infection. The database provides over 10,000 trajectories for key proteins and facilitates community-wide analysis.
A new AI system developed by the University of Technology Sydney can rapidly detect COVID-19 from chest X-rays with high accuracy. The Custom Convolutional Neural Network (Custom-CNN) model streamlines the detection process, providing a faster and more accurate diagnosis.
A pioneering study using mobile phone data analysis sheds light on socioeconomic disparities in unhealthy food reliance during COVID-19, particularly among racial minorities and low-income households. The study found that COVID-19 has exacerbated convenience store reliance, especially in Hispanic-majority counties and areas with older ...
Researchers at Dana-Farber Cancer Institute have discovered a novel compound that can protect against COVID-19 infection by targeting the virus's 'landing gear'. The stapled lipopeptide, which acts as a nasal spray, has shown promise in preventing infection and could potentially be used to treat or prevent COVID-19.
Researchers identified key factors contributing to long-term lung dysfunction in COVID-19 patients, including hypoxia, systemic inflammation and metabolic syndrome. The study highlights the importance of multidisciplinary treatment approaches for individuals with LONG-COVID.
Researchers from UC San Francisco have found that Paxlovid treatment does not reduce the risk of developing long COVID. They also discovered a higher proportion of individuals with acute symptoms rebounding after treatment, and those who took Paxlovid were just as likely to develop severe Long COVID symptoms as those who did not.
A recent study published in Nature Communications found that Long-COVID patients experience fatigue due to reduced energy production by mitochondria in muscle cells. The research suggests a biological cause for the persistent exhaustion, opening up potential treatment avenues.
The average cost of treating hospitalized COVID-19 patients rose from $10,094 to $13,072 between March 2020 and March 2022, with significant increases for patients with obesity or coagulation deficiencies. Extracorporeal membrane oxygenation and mechanical ventilation also drove up costs.