Articles tagged with Covid 19
Researchers found anti-inflammatory proteins and lipids in long COVID patients, which may contribute to symptoms and suggest an alternative explanation for the condition. These findings support the theory that alternatively polarized macrophages play a key role in Long COVID disease.
A recent study suggests that taking pride in one's identity can help protect mental health from online hate, with Asian Americans showing increased resilience. The research found that those who affirmed their identities were more likely to experience better psychological and physical health, as well as stronger personal relationships.
Researchers developed a method to produce SARS-CoV-2 RBD antigen using bio-engineered plants, offering a scalable solution for diagnostic assays and subunit vaccines. This breakthrough could facilitate large-scale production of antigens, supporting global vaccination efforts.
Researchers found that surgical risk for COVID patients diminishes with elapsed time from diagnosis, decreasing by half every 100 days and eventually leveling off at around 8% after 400 days. The study's findings suggest that doctors should consider the patient's proximity to COVID when deciding on surgery timing.
Researchers confirmed smoking and obesity increase COVID-19 severity, with ACE2 mediating detrimental effects. Lower socioeconomic position also increases COVID-19 risk, highlighting social inequalities.
A new project aims to develop a method for producing antimicrobial peptides, which have shown promise in overcoming antibiotic resistance. The peptides' ability to delay microbial resistance development makes them an attractive alternative to conventional antibiotics.
Researchers developed a machine learning model that uses microbiome data from wastewater to estimate the number of individuals represented in a sample. The method was trained on over 1,100 people's samples and can be used to link wastewater properties to individual-level data.
Research suggests individuals experiencing COVID-19-related chemosensory deficits are more likely to develop high antibody levels against SARS-CoV-2. This study's findings imply a link between impaired senses and robust immune response.
The Pfizer-BioNTech COVID-19 vaccine provided modest short-term protection against Omicron infection among children ages 5 to 11, with higher effectiveness for those with prior infection; a booster dose restored and maintained protection for at least three months.
Researchers at Uppsala University discovered a connection between loss of the Y chromosome (LOY) and the risk of severe COVID-19 in men. LOY was linked to impaired lung function, blood clots, and a higher risk of death.
A study of nearly 4,000 patients found that the longer the time between COVID-19 diagnosis and surgery, the greater the risk of major cardiovascular events during or following surgery. This association could inform discussions on optimal surgical timing and perioperative outcomes for patients with a history of COVID-19 infection.
Researchers have identified a compound that shows early promise at halting infections from a range of coronaviruses, including all variants of SARS-CoV-2 and the common cold. The findings reveal a potential path toward antiviral treatments that could be used against many different pathogens.
Researchers found that adult hospitalisations from Omicron-related SARS-CoV-2 infections were less severe than those from Delta infections. The Pfizer-BioNTech vaccine was effective in preventing hospitalisations and severe outcomes, even with increasing Omicron variant transmissibility.
Shift workers are at increased risk of severe COVID-19 compared to day workers due to sleep deprivation's negative impact on the immune system. Those who worked face-to-face with others had a higher risk of infection, but not more severe outcomes.
A new study published in Nursing Outlook suggests that safe nurse staffing requirements are crucial for better patient outcomes. The research found that hospitals with sufficient permanent registered nurse positions fared significantly better during the pandemic, reporting less burnout and improving patient care.
The Tokyo 2020 Paralympic Games reported a lower overall injury rate of 8% compared to previous Games, but injuries sustained were more severe. Newly introduced sports of taekwondo and badminton had high injury rates, prompting calls for prevention measures.
A research team at Penn Vet identified p63 as a key factor in inappropriate tissue regrowth after infection, which may lead to new treatments. By removing p63, basal cells can differentiate into functional alveolar cells, promoting lung recovery.
Researchers developed an accurate predictive model to distinguish between COVID-19 positive and negative test outcomes. The study found that symptom features, such as fever and difficulty breathing, play a significant role in predicting test results, with molecular tests yielding lower positive rates due to their dependence on viral load.
Hospitalizations for anxiety, depression, and suicidality surged among adolescents during the COVID-19 pandemic. Adolescent females were particularly affected, highlighting the need for enhanced mental health care resources within children's hospitals.
A study of 390 participants found that involvement in patient-facing dental activities did not increase the risk of COVID-19 infection when controlled measures were in place. The study suggests that intensive control measures can mitigate the risk of SARS-CoV-2 transmission in dental clinical settings.
A new study by Boston University School of Public Health found that nearly 90% of deceased individuals at a Zambian morgue were infected with COVID-19, contradicting previous assertions that the virus spared Africa. The study suggests that the reported death toll in Africa is substantially higher than official records indicate.
A recent study published in Nature Cardiovascular Research found a link between COVID-19 and postural orthostatic tachycardia syndrome (POTS), with patients infected five times more likely to develop the condition. Vaccination was also linked, but at a lower risk, emphasizing the importance of vaccination in reducing POTS.
A new study found that eating disorder attitudes and behaviors are more severe among transgender and gender non-conforming youth in Canada compared to their heterosexual counterparts. The research also highlights the need for prevention, assessment, and treatment methods that consider diverse presentations of disordered eating behaviors.
Patients with cocaine and opioid use disorders are at higher risk of developing endocarditis after COVID-19 infection, according to new research. The study found a significant increase in endocarditis cases among these patients, highlighting the need for increased screenings.
A new study found that the incidence rate of endocarditis among patients with cocaine use disorder or opioid use disorder increased significantly between 2011 and 2022. The risk was higher in patients with COVID-19, with a mortality rate of 9% within 180 days of diagnosis.
A large observational study found that Paxlovid is associated with a 44% reduction in hospitalization or death among highly vaccinated adults over 50. Even among patients with lower levels of prior immunity, Paxlovid showed an 81% reduction in hospitalization rates.
A randomized controlled trial found that a low-carbohydrate, high-fat diet helped patients with type 2 diabetes achieve better weight loss and glucose control over a 6-month intervention compared to a high-carb, low-fat diet. However, changes were not sustained 3 months after the intervention.
A new study published in BMJ Open found that COVID vaccines are more effective in areas with higher infection rates, highlighting the need for targeted vaccine distribution. The researchers calculated absolute risk reduction and number needed to be vaccinated, revealing significant differences in effectiveness across geographical regions.
A pilot study conducted at Brigham and Women's Hospital found that a low-cost computer vision system was feasible and well-received by employees. The system accurately detected mask adherence 100% of the time, with most participants experiencing a positive interaction.
An international study found that an intermediate level of anticoagulation had a high probability of being better than low dose anticoagulation, with no increased risk of bleeding. The study's findings inform WHO guidelines and provide evidence for a middle ground in COVID treatment.
A team of researchers at Tokyo Medical and Dental University has designed and synthesized novel compounds that have the potential to be effective drugs against COVID-19. The compounds target the main protease enzyme of the SARS-CoV-2 virus, which is essential for viral replication.
A new study suggests that the SARS-CoV-2 spike protein contributes to vascular leak, a dangerous release of fluids from blood vessels leading to respiratory failure. Researchers believe blocking this pathway could help prevent severe COVID-19 symptoms and shed light on other emerging infectious diseases.
The study analyzed 23,000 symptomatic individuals in King County, Washington, from June 2020 to July 2022. It found shifts in reported symptoms between SARS-CoV-2 variants and persistent racial and sociodemographic disparities in rhinovirus infection.
A new study found that suicidal ideation increased by nearly five times during the pandemic, particularly among people living in low-income households and those struggling with loneliness. The study highlights the need for policies and programs providing financial and social support to vulnerable populations.
Researchers identified two molecularly distinct subsets of long COVID symptoms with opposing gene expression patterns during acute COVID-19. These findings suggest multiple independent processes leading to different long COVID symptoms, which are already present during the acute infection.
A study found that those who had COVID-19 in early 2020 were more likely to experience clinically meaningful levels of anxiety after 13 months. The researchers also identified possible reasons for the increased risk, including pre-existing mental health conditions and lifestyle factors.
Researchers analyzed 119 articles from the Lit Covid database to understand how researchers use ethnoracial categories in biomedical studies. The study found that many articles used terms 'race' or 'ethnicity' without clear definitions, leading to confusion and misinterpretation of research findings.
Researchers at Karolinska Institutet discovered that SARS-CoV-2 infection triggers blood vessel formation in fat tissues, leading to thermogenic metabolism and significant weight loss. Blocking this process with an antiangiogenic drug restored weight loss in mice and hamsters infected with the virus.
A global study published in Nature finds that the unvaccinated face significant prejudice in most countries, with many vaccinated people harboring discriminatory attitudes towards them. The study suggests that this prejudice could lead to severe consequences for society, including hindered vaccination uptake and increased mistrust.
New research reveals that bat virus relatives of MERS-CoV efficiently bind to bat ACE2 receptors as an entry point into cells. However, these viruses only weakly bind to human ACE2 cell receptors and are not known to cause disease outbreaks in people.
A recent study published in Frontiers in Medicine found that COVID-19 vaccines significantly reduce the likelihood of reinfection and severe symptoms. Vaccinated individuals who have recovered from the virus have a 50% to 60% lower risk of reinfection compared to those who are not vaccinated.
A recent study identified several characteristics associated with a higher likelihood of post COVID-19 condition diagnosis. These include female sex, previous mental health disorders, and asthma. The study also found that use of outpatient care was substantially elevated among individuals with post COVID-19 condition.
A national study confirms that vaccination significantly reduces disease severity and hospitalization risk for COVID-19, even among individuals who develop breakthrough cases. Hospital stays are shorter, ICU admissions are less common, and hospital deaths are lower among vaccinated adults compared to unvaccinated individuals.
The number of active buprenorphine prescriptions remained constant during the first year of the COVID-19 pandemic, but new treatment episodes started significantly fewer than expected. This trend occurred despite emergency policies aimed at increasing access to the medication.
Lying prone reduces the risk of needing a breathing tube in COVID-19 patients by 24.2% compared to usual care, but evidence for its effect on mortality or other outcomes is inconclusive. The intervention also results in 55 fewer intubations per 1,000 patients.
Scientists at Dana-Farber Cancer Institute have developed a potent drug that neutralizes SARS-CoV-2 and its variants by mimicking the ACE2 receptor, making it effective against emerging antibody-resistant strains. The investigational drug, DF-COV-01, could also be used to treat future coronaviruses.
Administration of vaccine boosters to nursing home residents significantly reduces SARS-CoV-2 infections and hospitalizations. The study suggests that booster vaccination may play a crucial role in preventing COVID-19-related morbidity and mortality among vulnerable populations.
The City of Tempe and Arizona State University have developed a unique partnership to track COVID-19 using wastewater-based epidemiology, providing early warning data for municipalities. The system has been shown to reliably predict SARS-CoV-2 levels in city ZIP codes up to 11 days ahead of clinical testing results.
A husband-and-wife research team at UC Riverside found a simpler gene network is involved in specifying the gut in nematodes related to Caenorhabditis elegans. The discovery was made possible by the COVID-19 pandemic, which freed up time for the researchers to explore their question of how nematodes develop their gut.
Researchers developed novel liquid-coated air filters that capture viable bacterial and viral samples for analysis. The filters show promise in improving early pathogen detection and aerosol sampling efforts.
Between 2017 and 2020, drug overdose mortality among pregnant and postpartum individuals rose by 81%, closely tracking overall trends in reproductive-age populations. The COVID-19 pandemic may have contributed to the surge in 2020.
Research finds that individuals who received monoclonal antibodies before COVID vaccination exhibit a diverse antibody response, increasing the coverage provided by vaccines. This phenomenon, known as antibody feedback inhibition, is beneficial for diversifying immune responses to viruses.
The study of 12,600 adults in Hong Kong found that viral rebound was not associated with increased risk of mortality. Novel oral antivirals like molnupiravir and nirmatrelvir-ritonavir may be effective treatments for more patients with COVID-19 in the early phase of the infection.
A newly discovered immune response inside the nose fights off viruses, but is suppressed by colder temperatures, making an infection more likely to occur. The study offers the first biological mechanism to explain why viruses like COVID-19 spike in colder seasons.
A University of Ottawa-led team identified a new entry route for SARS-CoV-2 using metalloproteinases, which may lead to more widespread cell infection and severe illness. The study suggests that variants like the Delta strain may prefer this entry method, while others like Omicron do not.
A study suggests that visceral fat cells, rather than subcutaneous fat cells, are more susceptible to infection by the COVID-19 virus. This increased susceptibility leads to a higher viral load and production of pro-inflammatory cytokines, which can exacerbate severe disease.
The Cochrane review analyzed data from 41 randomized controlled trials of 12 different COVID-19 vaccines, involving 433,838 people worldwide. The review found that most vaccines reduced the risk of COVID-19 infection and severe disease, with few reported side effects.
Researchers have developed a new X-ray technology that visualizes lung tissue microstructure, providing additional information for accurate diagnosis. Dark-field X-ray images can differentiate between diseased and healthy lung tissue, potentially replacing computed tomography (CT) for repeated examinations.
A new study found that drug overdose deaths among pregnant and postpartum women reached a record high in 2020, with 1,249 deaths due to overdose. The number of pregnancy-associated overdose deaths increased by more than 80% over the past four years, largely driven by fentanyl-involved deaths.
Scientists at Beth Israel Deaconess Medical Center discovered gene usage similarities between COVID-19 patients' brains and aging brains. This study suggests a link between severe COVID-19 and accelerated brain aging, with potential implications for neurological follow-up in recovered individuals.