Articles tagged with Epidemics
Researchers have discovered evidence that plague may have been involved in epidemics a century before the Black Death, challenging previous assumptions about the disease's arrival in Western Eurasia. The study uses historical sources and genetic analysis to propose a new timeline for the plague's emergence.
The reemergence of dengue virus serotype 3 (DENV-3) in Brazil could worsen fresh outbreaks as the population is not immunized against this serotype. Researchers found a rise in DENV-3 cases since late 2023, with 31 blood samples testing positive for the virus.
Early adult mortality in the US is higher than expected after the COVID-19 pandemic, with researchers finding a sharp rise in death rates among adults aged 25-44. The study highlights the need for comprehensive policies to address structural factors driving worsening health among young adults.
The grant will train undergraduate and graduate nursing students in substance abuse disorders to address the opioid crisis in Georgia. Researchers aim to equip nurses with the skill and empathy needed to help alleviate the effects of the opioid epidemic.
Researchers developed a new model to identify potential hosts of ebolaviruses, focusing on bat species with strong NPC1 protein binding and previous outbreak locations. The study uses large-scale binding assays and machine learning to guide future surveillance efforts.
Researchers from UNIGE-HUG Centre and MSF successfully demonstrated the effectiveness of a hepatitis E vaccine in an outbreak in Bentiu, South Sudan. The study showed that two doses of the vaccine reduced the incidence of the disease and provided protection against severe symptoms.
Countries that took measures early experienced lower excess mortality rates and coped better economically. A surveillance system capable of quickly tracking virus spread is crucial for effective response.
Dartmouth researchers propose a new way of thinking about masking and social distancing rules using game theory, considering them as two distinct actions. The study finds that people respond differently to these measures based on their perception of the disease's severity, trending towards masking or no protective action over time.
A new IHME study reveals significant progress in the global fight against HIV/AIDS, with sub-Saharan Africa leading the way in cutting new HIV infections and deaths. However, the world is not on track to meet UNAIDS 2030 targets, with a quarter of people living with HIV not receiving treatment.
A Rutgers researcher examines how educational attainment affects cognitive performance, memory function, and dementia risk in later life. The study found increased years of education associated with better overall cognitive performance, including improved memory and verbal fluency.
Sweden has surpassed the UNAIDS and WHO targets for the HIV epidemic, with 96% diagnosed, 99% on treatment, and 98% having undetectable virus levels. The country's effective infrastructure and comprehensive data collection have made it possible to reach these ambitious targets.
Researchers have developed a new approach to epidemic modeling that considers socioeconomic factors like income, education, and ethnicity. This framework allows for more realistic predictions of disease spread by accounting for how people interact and respond to public health measures.
Childhood obesity has surged globally, with nearly half of all overweight children under 5 years old found in Asia. The authors highlight the need for coordinated efforts to address this epidemic, including increased physical activity and healthier diets.
A team of researchers has designed a new antimalarial drug called MED6-189, which is effective against both drug-sensitive and drug-resistant strains of human malaria parasites. The compound works by targeting the apicoplast organelle and vesicular trafficking pathways, making it a promising lead in the fight against malaria.
Tree-ring data reveal that periodic shifts in strong winds high above the Earth's surface have driven opposite climates in different parts of Europe for the past 700 years. This research provides critical data to improve climate models, comparing past patterns to current trends and societal impacts.
Researchers analyzed over 150,000 COVID-19 cases in Japan and found CAPA occurred in 0.4% to 2.7% of severe or critical patients, with higher risk seen in men, older adults, and those with respiratory diseases. Early detection and treatment with antifungal drugs are crucial for improved outcomes.
A new study from European universities has developed a method to analyze wastewater data from seven major cities, identifying thousands of disease-causing bacteria, viruses, and antimicrobial resistance. This approach can detect potential health threats simultaneously, potentially preventing epidemics from escalating into outbreaks.
Scientists at WashU Medicine are developing strategies and tools to produce vaccines and antibody-based therapies for viruses from five understudied families. The effort aims to rapidly respond to potential future pandemics, with funding totaling $90M over three years.
Researchers analyzed COVID-19 cases in US states, finding oscillating waves every six months that start near the southern border in July-August. The data suggests a larger pattern sweeping up and down North America, but further research is needed to understand the mechanisms behind these seasonal oscillations.
A new study published in JAMA Health Forum found that machine learning can be more effective than traditional methods for distributing scarce treatments to patients most vulnerable during a public health crisis. The model reduces expected hospitalizations by about 27 percent compared to actual and observed care.
A new $4 million grant aims to test auricular point acupressure as a treatment for chronic pain in rural populations. The project, led by UTHealth Houston and USC, will use a smartphone app to guide patients through self-administered ear stimulation.
A recent study by ISGlobal found a vast range of viable bacteria and fungi transported by air masses from northeast China to Japan, some potentially pathogenic to humans. The research team identified over 266 fungal and 305 bacterial genera in aerosol samples, including species resistant to commonly used antibiotics.
A new study reveals that blowflies in southern Japan are carrying the bird flu virus, which could lead to transmission through contaminated surfaces, food sources, and water. This finding highlights the need for effective countermeasures to prevent and control the disease in poultry farms.
A new case definition of market-driven epidemics (MDEs) helps address critical barriers to timely prevention and mitigation. The study highlights the success of US efforts to reduce cigarette, sugar, and opioid consumption, demonstrating that public health leaders can save lives through earlier, more decisive action.
Dr. Pamela Rendi-Wagner, new ECDC Director, stresses the need to restore and reinforce public trust in science after the COVID-19 pandemic. She highlights challenges such as war, climate change, and social inequalities, which can lead to misinformation and reversed medical advances. ECDC is taking steps to implement its expanded mandat...
A survey-based study found that 97% of Japanese respondents are willing to pay for a nationwide wastewater surveillance system, with a median value of $8.83 per household per year. The estimated annual tax would be more than enough to cover system maintenance costs, making the system economically justified.
New research suggests that the plague may have contributed to the population decline of Stone Age farmers in Scandinavia and Northwestern Europe. Analysis of ancient DNA from bones and teeth found that 17% of individuals were infected with the plague, indicating its common presence during the late Stone Age.
Recombinhunt, a new data-driven method, identifies recombinant SARS-CoV-2 genomes with one or two breakpoints, offering high specificity and sensitivity. The approach also detects viral genomes from the monkeypox epidemic with high concordance.
The Midwest Developmental Center for AIDS Research will unite scientists and public health experts to fight the HIV epidemic in the region. The center aims to create a platform for collaboration and coordinate efforts to address the disease, with a focus on improving healthcare equity and outcomes.
A study published in JAMA found that high out-of-pocket costs are a significant barrier to filling naloxone prescriptions. The study, which utilized data from a national pharmacy transactions database, estimated that a $10 increase in cost would decrease the rate of filling prescriptions by about 2-3 percentage points.
A genetic investigation of 64 child remains found at Chichén Itzá reveals that all the children were male, indicating related male twins were likely selected for ritual activities. The findings suggest a post-sacrificial burial site, with the sacrificed individuals having been chosen for a specific reason.
A study in São Paulo state found that chikungunya virus circulated silently for years before causing major epidemics. The researchers monitored residents for four years and discovered a significant rise in seroprevalence from 0.35% to 2.3%. This finding underscores the need for strengthened disease surveillance.
The Royal Statistical Society has published new recommendations to improve the evaluation of diagnostic tests, including guidelines on study design, regulation, and transparency. The report aims to prevent future issues with diagnostic test evaluations, particularly those related to infectious diseases.
Researchers emphasize the importance of addressing socioeconomic, cultural, and epigenetic factors in the Latin American obesity epidemic. The study suggests that public policies and strategies must acknowledge these drivers for effective weight loss.
A deadly epidemic discovered last year in the Red Sea has spread to the Indian Ocean, annihilating most sea urchin populations and threatening coral reef stability. The researchers identified a scuticociliate parasite as the cause of the mass mortality.
Research from University of East Anglia found that wearing face masks was no longer associated with reduced risk of COVID-19 infection after the first Omicron wave. The study also showed changes in other risk factors, such as overseas travel and household size.
A study by the University of Cambridge and Fudan University found that children born by C-section are up to 2.6 times more likely to fail their first measles vaccination compared to those born naturally. Two doses of the vaccine are necessary for robust protection against measles.
Effective public health communication is crucial for controlling the spread of disease, maintaining public trust, and encouraging compliance with health measures during epidemics. The African continent's diverse linguistic and cultural landscape requires tailored communication strategies to address social and economic factors.
Pediatric opioid overdoses show a decreasing trend between 2008 and 2019, with a notable increase during the COVID-19 pandemic. High-risk populations include young children and adolescents, particularly males and those in urban teaching hospitals.
Researchers developed a technology to detect infectious disease viruses in real-time using a single nano-spectroscopic sensor. The system uses molecular fingerprinting and can detect specific substances with tailored detection, enabling rapid and precise analysis.
The study highlights the emergence and spread of harmful pathogens due to climate change. The medical community must update their education and training to combat global warming and its impact on disease behavior.
Research published by the American Psychological Association found that middle-aged adults in the US tend to report significantly higher levels of loneliness compared to their European counterparts. The study suggests that cultural norms, socioeconomic influences, and social safety nets between the two regions may contribute to the 'lo...
A new study published in Risk Analysis found that COVID-19's origin is unlikely to be natural, using a modified risk assessment tool. The researchers suggest an unnatural origin, potentially from a laboratory, cannot be easily dismissed.
A new study finds that the high burden of typhoid fever in sub-Saharan African countries calls for stronger prevention strategies, including the use and implementation of typhoid conjugate vaccines. The study estimates that there are 12.5 to 16.3 million cases of typhoid every year with 140,000 deaths.
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.
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.
Studies tracking influenza A(H3N2) evolutionary dynamics over 22 seasons show genetic distance and subtype interference as key factors in determining epidemic timing and severity. The study highlights antigenic drift of HA and NA antigens, with increased NA drift linked to greater epidemic intensity and dominance of the A(H3N2) subtype.
A Brazilian study found that prior zika infection significantly increases the risk of developing severe dengue and being hospitalized. The study analyzed samples from over 1,000 laboratory-confirmed dengue patients and identified a higher viral load and inflammatory cytokine levels in those with prior zika infections.
Researchers created mathematical models to examine aspects of human behavior affecting pandemic trends. They found that risk perception and adherence to preventive measures are crucial in understanding why similar policies resulted in different outcomes.
A study published in EuroSurveillance found that 40% of COVID-19 infected individuals were identified through contact tracing, with socio-economic factors influencing reporting rates. The effectiveness of contact tracing alone was relative, but its psychological impact on the population should not be overlooked.
The $20 million SOAR study aims to identify key risk and resiliency factors affecting behavioral health. The research will inform strategies to improve treatment options and patient outcomes in the state of Ohio.
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.
Researchers analyzed over 770,000 cases of chikungunya and zika in Brazil, finding a decline in spatial variations for both diseases but an increase in case numbers in 85% and 57% of clusters. High-risk areas are linked to higher temperatures, low rainfall, urbanization, and social inequality.
A study by Christina Andrews and her team found substantial variation in prior authorization use among different states and plan types. For-profit plans and those located in Republican-majority states were more likely to impose prior authorization policies, restricting access to life-saving treatment buprenorphine.
Researchers found that counties with higher uninsured rates and reduced access to mental health services have higher opioid prescriptions. Conversely, better healthcare quality was associated with a greater drop in opioid prescriptions over time.
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.
A new study will analyze electronic health records to identify facilitators and barriers of successful pediatric-to-adult HIV care transitions among youth in South Carolina. The research aims to develop guidance to improve systems and protocols for vulnerable populations.
A new study published in Nature Microbiology suggests that providing easy access to HIV treatment and care for heterosexual men could rapidly cut transmission to their female partners. Closing the viral suppression gap in men is estimated to halve rates of new infections among women and eliminate gender disparities.
The European Union has approved vaccines for pregnant women and monoclonal antibodies to prevent respiratory syncytial virus (RSV) among young children. New sequencing tools have also been developed to track the genetic diversity of RSV and inform vaccine effectiveness and treatment strategies.
New HIV diagnoses rose by 31% in the EU/EEA in 2022, with migrants accounting for 49% of cases. Ukrainian refugees made up a significant proportion of new diagnoses, with women disproportionately affected. The increase highlights the need for tailored early testing and treatment approaches to address this growing public health threat.