Articles tagged with Covid 19
Researchers developed an AI framework that combines dimension reduction techniques with a new clustering algorithm to quickly identify groups of viral genomes at risk. This enables proactive response measures like tailored vaccine development, potentially eliminating emerging variants before they spread.
A recent study found that newer monovalent COVID vaccines generated higher levels of antibodies against a range of Omicron variants, including the XBB and BQ.1.1 strains. The researchers also discovered that these vaccines increased mucosal antibody production, but not neutralizing antibody levels in the nasal cavity.
A Stanford University study finds that increased humidity can create anti-viral compounds in air microdroplets, potentially reducing the spread of airborne viruses. The researchers recommend maintaining relative humidity levels between 40-60% to achieve this effect.
Researchers found that T cells can reshape their memory and maintain diversity against COVID-19 variants in response to successive mRNA vaccinations. The study revealed a shift among clonotypes, with a change from early responders to main responders after the second shot, suggesting a new dominant population of effector-memory T cells.
A new study found that Medicaid coverage extensions during the pandemic significantly increased postpartum coverage and reduced uninsurance rates. The study highlights the critical role of Medicaid in maternal health, particularly in the late postpartum period where many maternal deaths occur.
A cohort study of nearly 1.65 million veterans found a 7% decline in blood pressure control during the pandemic compared to before. Longer follow-up intervals were associated with decreased likelihood of maintaining blood pressure control.
Researchers from SWPS University studied 216 grocery shops in Poland and found that few customers increased the likelihood of shop assistants keeping change. Sellers were more likely to give correct change to shoppers of the same gender as themselves, while wearing a mask or visor had no impact on honesty.
Continuous Medicaid eligibility during the pandemic significantly reduced loss of Medicaid after birth. Post-pandemic postpartum Medicaid extensions may also reduce uninsurance rates similarly.
A study analyzing nationally representative data found that youth experienced a sustained increase in mental health issues between 2006 and 2019. The findings suggest that treatment and prevention strategies must address preexisting psychiatric needs in addition to the pandemic's direct effects.
A landmark study published in JAMA Pediatrics found that COVID vaccines are safe to administer during pregnancy, with no abnormal delays in infants when tested at 12 months and 18 months. The study of over 2,200 infants from across the country also found an increased risk of delay among male infants at 12 months but not at 18 months.
Research from UCSF found COVID antigens lingering in blood up to 14 months and tissue samples for over two years after infection. The persistence of these fragments may drive long COVID symptoms and associated risks.
Researchers found associations between proteins involved in fibrinolysis and the development of acute respiratory distress syndrome. Biomarkers, such as PAI-1 and uPA/PAI-1 complex levels, can identify patients at risk of severe COVID-19.
A recent study published in Lancet Infectious Diseases found that vaccinated individuals had a lower risk of severe COVID-19 outcomes compared to unvaccinated individuals. The study also showed significant reductions in hospitalization and death rates from COVID-19, particularly among older individuals and those with compromised immune...
Researchers at MIT have developed a new type of nanoparticle that can both deliver vaccines and act as an adjuvant to generate a strong immune response. The particles, called metal-organic frameworks (MOFs), were shown to be effective in delivering the SARS-CoV-2 spike protein and boosting the immune system's response.
A new study published in PLOS ONE found that COVID-19 infections cause significant physiological differences between males and females. Males experience larger increases in skin temperature, breathing rate, and heart rate during infections, while also maintaining higher levels during recovery.
A simulation model predicts that frequent booster vaccination is highest effective for those over 65 years old and the immunocompromised to prevent severe disease. The model suggests that annual or twice-yearly boosters reduce severe infections in these high-risk populations by half.
A new study led by Swansea University found that people with epilepsy had a significantly higher risk of COVID hospitalizations and deaths during the pandemic. Researchers analyzed data from 27,000 people with epilepsy in Wales and compared them to a control group of 135,000 without epilepsy.
A new study by 173 conservation scientists found that field research stations have a substantial impact on habitat quality, reducing deforestation and hunting rates. The stations also support local economies and generate significant scientific output, informing conservation policies.
ISB researchers identify NKG2A-biased immune responses as protective against decreased inflammation and increased survival rates in various disease contexts. The study suggests potential therapeutic targets for modifying immune responses across diseases.
A study by the University of Florida Institute of Food and Agricultural Sciences found that breastfeeding after a COVID-19 booster shot can provide protection to infants too young to receive the vaccine. The antibodies transferred through breast milk may help shield babies from severe COVID-19 illness, according to researchers.
A large binational study found that SARS-CoV-2 infection was associated with an increased risk of autoimmune inflammatory rheumatic diseases (AIRDs) extending up to 12 months after infection. Vaccination showed some protection against AIRDs, particularly among those who were vaccinated.
Studies found that people with SARS-CoV-2 infection often experience persistent fatigue, shortness of breath, muscle aches, and memory problems due to inflammation and low iron levels. Early iron dysregulation was detectable in those reporting long COVID months later.
Researchers at the University of Alberta have discovered a new class of antiviral drugs that stimulate interferon production to reverse the effect of SARS-CoV-2 on cells. The study shows that these drugs can significantly reduce the amount of virus found in the lungs and prevent severe symptoms.
A study found that empathetic communication can significantly improve attitudes towards vaccination and build trust with health professionals. The research, led by the University of Bristol, used a novel dialogue-based technique to address misinformation and misconceptions about vaccines.
A study of 372 veterans found that COVID-19 infection negatively impacted everyday functioning via multiple pathways. The negative effects on functioning persisted even without a documented COVID-19 infection.
Researchers found a direct link between loss of smell and decreased olfactory neuron population in nasal mucosa. Early corticosteroid treatment improved recovery of olfactory abilities in animals.
New research reveals that lockdowns had a significant impact on the gut microbiome development of babies born during these periods. Babies born during lockdown periods showed lower rates of allergic conditions compared to pre-pandemic babies, likely due to reduced infection and increased breastfeeding.
A recent MSU-co-authored study identifies 10 insights to reduce vaccine hesitancy on social media, emphasizing the importance of messaging tailored to specific groups, correcting misinformation, and leveraging trust in vaccination campaigns. The research aims to alleviate bias and improve vaccine uptake behaviors.
A comprehensive study found pulse oximeters significantly overestimated oxygen saturation readings in individuals with darker skin tones. This could lead to missed treatments and incorrect diagnoses, as devices may not accurately reflect critical oxygen levels.
A new meta-analysis published in eClinicalMedicine found that individuals with sickle cell disease or the sickle cell trait are more likely to die from COVID-19 compared to the general population. The study analyzed data from over 1,900 patients with sickle cell disease and 8,700 carriers of the sickle cell trait.
This study of 536 adults with chronic conditions found disparities in patient portal use, with sociodemographic groups and health literacy levels showing varying trends. The COVID-19 pandemic led to an increase in portal use, while a brief validated health literacy measure may help identify patients who need further support.
A new study found that high-dose inhaled nitric oxide improves oxygenation and reduces mortality risk among critically ill Black patients with COVID-19. The treatment was more effective for Black patients, who have a suppressed nitric oxide system at baseline.
A UC Riverside-led study has devised a way to make large quantities of the Membrane protein, which plays a crucial role in how SARS-CoV-2 acquires its spherical structure. The researchers found that when the M protein interacts with the membrane, it coaxes the membrane to curve, leading to the virus's characteristic shape.
A new study found that intelligent tutoring systems for math problems helped pupils maintain or even increase their performance during the Corona pandemic. Lower-performing children benefited from regular use of the software, closing the gap with higher-achieving peers.
A new tool called Subak, made from silver nanoclusters, can detect nuclease digestion at lower costs than traditional methods. This innovation could strengthen diagnostics and make diseases easier to detect.
The COVID-19 pandemic has widened socioeconomic disparities in death at home and access to specialized palliative care for cancer patients. The study found that these disparities were amplified, highlighting the need for equitable and consistent care access.
A long-term analysis of over 8,000 samples revealed that SARS-CoV-2 infection and vaccine-induced antibody responses are long-lasting. Booster vaccination equalized differences in antibody concentration between participants with and without pre-existing immunity.
A new study reveals that online political engagement and conspiracy theories played key roles in shaping Japanese anti-vaccine sentiments. Long-term anti-vaxxers tended to lean left, while those brought into the fold during the pandemic exhibited weaker interest and frequent references to spirituality.
The article argues that US covid-19 outcomes are disproportionately affected by systemic racism and economic inequality. The authors suggest strategies for improving health equity, including anti-racist action, separating health insurance from employment, and rethinking vaccine distribution.
A new study shows that despite the rise of community orgs, news outlets still dominate discussions on tough topics like racism and health disparities. Researchers analyzed over 1,250 Facebook posts from various organizations, finding that only 14.5% mentioned the pandemic and 2.5% racism/Black Lives Matter.
Researchers found that e-liquids containing propylene glycol and vegetable glycerin enhance COVID-19 infection, while those with benzoic acid prevent it. Vapers are advised to quit or switch to e-liquids with acidic pH for better protection.
A national multicenter survey found that up to one-third of children who were hospitalized due to COVID-19 did not fully recover and experienced persistent symptoms. Children who had not recovered were more likely to have neurological symptoms, including headache and weakness.
The American College of Physicians (ACP) emphasizes the need for policy efforts to address homelessness, recommending stable housing and adequate funding. The report also highlights the importance of providing targeted medical services and decriminalizing life-sustaining activities in public.
Research from Cornell University reveals that newborn T cells are more efficient at responding to early stages of an infection and defending against unknown bacteria, parasites, and viruses. This discovery clarifies why infants respond differently to infections, paving the way for therapeutic applications.
A study found that 2-methylbutyrylcarnitine (2MBC), a gut microbial metabolite, exacerbates thrombosis and is accumulated in COVID-19 patients. Elevated 2MBC levels are associated with increased blood clot risk, suggesting a potential mechanism linking gut microbiota dysbiosis to cardiovascular disease.
A recent study published in JAMA Network Open found that vaccinated adults with hematologic cancers were at high risk of severe COVID-19, even after receiving treatment. The study included 6,122 patients and showed no significant decline in severe cases through mid-2022.
A new study found that schools focusing on grades and test scores are associated with higher levels of teacher-directed violence. In contrast, schools emphasizing student learning have lower rates of violence aimed at educators.
Researchers developed a new recombinant flu vaccine called Hexaplex, which provided superior protection against H1N1 and H3N2 viruses in animal models. The vaccine's combination of six proteins from different groups resulted in strong antibody production and T-cell activation, offering broader immunity.
A new study suggests treating even 20% of symptomatic COVID-19 cases with Paxlovid could save up to 850,000 hospitalizations and nearly $170 billion. The researchers estimate that expanded use of the drug during an outbreak could save approximately 30,000 lives.
Scientists have uncovered a novel form of MRI scan that shows how Long-COVID affects the human brain's delicate network of blood vessels. The study found disruption to the integrity of blood vessels in patients with Long COVID and brain fog, highlighting a potential target for targeted therapies.
A study published in JAMA Oncology revealed a significant decline in US cancer incidence during the first 10 months of the pandemic. The research found 134,395 potentially undiagnosed cancer cases between March and December 2020, highlighting an unusual drop in all-site cancer incidence.
Researchers identified an optimal approach that uses periods of stricter and less strict lockdowns to accompany recurring epidemic waves. They also found that small changes in key parameters can flip the optimal strategy from one extreme to the other.
Research identifies interferon gamma (IFN-γ) as a potential biomarker for Long COVID fatigue and highlights an immunological mechanism underlying the disease. High levels of IFN-γ persisted in some patients for up to 31 months, coinciding with symptom resolution after vaccination.
A new study from the University of Toronto found that older Canadians with a history of stroke experienced depression during the COVID-19 pandemic. Among those with no lifetime history of depression, immigrant status and family stressors were associated with an increased risk of incident depression.
A new study by University of Oxford researchers found that around 1 in 200 infections may become persistent for at least 60 days. Persistent infections were also linked to Long-COVID symptoms and viral variants that went extinct in the general population.
Researchers at Texas A&M discovered that immune genes are frequently exchanged between Myotis bat species during seasonal mating swarms, potentially helping humans fight emerging diseases. The study's findings have opened new questions about the importance of hybridization in evolution and its impact on genomicists' knowledge.
A University of Sydney study sheds light on the 2022 child hepatitis outbreak, finding that 'helper virus' infections were likely the cause. The study reveals that over 3,000 cases were reported globally, with six percent requiring liver transplants.
The study found that HPV vaccination coverage did not increase during the COVID-19 pandemic, indicating pandemic-related disruptions in initiating the vaccine. This suggests that efforts to promote HPV vaccination among young adults may need to be continued and strengthened.
Housing instability, as measured by eviction filings, was associated with a significantly increased risk of death over the first 20 months of the COVID-19 pandemic. Eviction prevention efforts may have reduced excess mortality for renters during this period.
Researchers have defined what a premature aging disease is and developed tools to diagnose progeria patients, allowing them to identify new syndromes. The study also identified correlations between progeroid syndromes and other conditions, providing a significant step forward in understanding premature aging.