A new study published in The Lancet found that the number of sexual partners, rather than concurrent partnerships, is strongly predictive of HIV transmission in women. Researchers analyzed data from over 87,000 individuals in South Africa and found that men with multiple lifetime partners were more likely to transmit HIV.
A new statistical method predicts the size of seasonal influenza epidemics by analyzing weekly CDC data. The analysis suggests that early circulation of one strain is associated with a reduced incidence of other strains.
The introduction of a new vaccine, MenAfriVac, has led to a dramatic fall in cases of meningitis A in Burkina Faso, Mali, and Niger. The vaccine, which costs less than $0.50 per dose, is highly effective and protects children as young as one.
The study's findings suggest that mass vaccinations deployed strategically could prevent future cholera epidemics in Zimbabwe and other nations. The research team analyzed how cultural, political, and economic factors influenced routes of transmission and identified funeral feasts as a key factor contributing to the spread of the disease.
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The US is experiencing an 'epidemic of mass incarceration' due to inadequate treatment of addiction and mental illness in the community. Millions of Americans are cycling in and out of correctional facilities each year, with devastating consequences for their health and well-being.
A 440-year-old document reveals that the Andean population in Peru bounced back briefly after initial Spanish invasion but declined due to repeated disasters, rigid administration and epidemic disease. The census data challenges long-held assumptions about indigenous population decline in the Americas.
Overweight children and young adults are on the rise in Canada, with more than 60% of adults being overweight or obese. Legislative approaches, such as taxing junk food and improving nutritional labeling, are proposed to combat obesity.
A study by Stanford scientists found a specific TB strain was unintentionally spread among indigenous peoples of western Canada, leading to epidemics decades later. Poor living conditions and malnutrition on reservations contributed to the outbreak.
Researchers found that vaccinating 50-70% of people in high-risk areas after the outbreak would reduce morbidity and mortality by roughly 50%. A mobile stockpile of oral cholera vaccine could be deployed to mitigate future epidemics, especially in developing countries with poor sanitation infrastructure.
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The NIH Strategic Plan for Obesity Research aims to curb the growing obesity epidemic by investigating key processes, understanding contributing factors, and designing new approaches for achieving a healthy weight. The plan also emphasizes education and outreach to move proven strategies into community programs and medical practice.
A mathematical model based on current knowledge of the disease predicts that without intervention, 779,000 new cases and 11,000 deaths would result from the epidemic. The model also simulates the effects of increased access to clean water, vaccination, and antibiotic treatment, which could prevent up to 170,000 cases and 3,400 deaths.
A new UCSF study forecasts a far worse-than-expected cholera epidemic in Haiti, predicting nearly twice the number of cases as the United Nations' initial projections. The study suggests that extending access to antibiotics could save thousands of lives and prevent widespread fatalities.
A new study predicts the spread of cholera in Haiti and identifies effective control strategies. The researchers' model suggests a three percent risk reduction in infection through vaccination, which is twice the impact of providing clean water.
A University of Liverpool-led consortium will analyse Streptococcus pneumoniae serotype 1, a major cause of invasive pneumococcal disease in Africa. The project aims to develop a protein-based vaccine enhancing or replacing current Pneumococcal Conjugate Vaccines.
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A UK doctor shares a poignant story of an elderly patient struggling with loneliness, highlighting the need for companionship and support. The Lancet argues that tackling loneliness requires a multi-faceted approach, including social clubs, workshops, and simply spending time with neighbors.
Researchers found that anti-retroviral therapy improves household investments, education, and nutrition, while a prevention strategy focusing on girls reduces HIV prevalence and genital herpes. The 'Lazarus effect' suggests long-term treatment yields significant economic dividends and positive behavioral changes.
A group of experts recommends creating an emergency stockpile of cholera vaccines to rapidly deploy in high-risk areas, stabilizing countries and preventing outbreaks. The US would face low costs, while the benefits could be enormous, particularly in refugee camps.
A study found that a common transmissible strain of Pseudomonas aeruginosa is prevalent among cystic fibrosis patients in Canada, particularly in those infected with strain A, which is associated with a higher risk of death or lung transplantation. The study suggests cross-infection between CF centers in the UK and Canada.
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The 2010 DGAC Report highlights key features, including a strong evidence base on vulnerable subgroups like infants, children, and pregnant women. The report also emphasizes the importance of primary prevention of obesity in childhood to halt and reverse America's obesity epidemic.
The Lancet Review emphasizes the need for tailored approaches in HIV/AIDS financing, as countries face diverging challenges. High-burden low-income (HBLI) countries will likely require extended international support, while middle-income nations with lower burdens can sustain funding using domestic resources.
A computer model shows that the US is susceptible to MDR-TB epidemics when TB prevalence falls and case detection improves, even with high treatment compliance. This is attributed to the increased risk of drug-resistant TB spreading in populations with low drug-susceptible TB rates.
A new study found that framing tasks involving self-control as 'fun' rather than an obligation increases regulatory success. Participants who perceived the task as enjoyable exerted more self-control and consumed less candy compared to those who saw it as a chore.
Researchers used the friendship paradox to study the 2009 flu epidemic among 744 students, finding that friends of central members were more likely to get sick earlier. This method can predict epidemics before they spread widely, allowing for an earlier and more effective response.
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A Harvard University study found that small changes in perceived vaccine costs can lead to significant gaps in herd immunity, with social networks playing a crucial role in the spread of disease. The researchers discovered that increasing vaccination cost prompts more free-riding and leads to larger epidemics.
Experts conclude that inadequate provision of opioid substitution therapy, needle exchange programs, and antiretroviral treatment, along with laws prohibiting OST, are all contributing to the spread of HIV among people who use drugs. Scaling up combination HIV prevention interventions is shown to be effective in curbing the epidemic.
The growing HIV epidemic in people who use drugs is a significant public health concern, with 16 million injecting drug users worldwide and 3 million living with HIV. A comprehensive approach combining access to antiretroviral treatment, opioid substitution therapy, and needle programs can help contain the outbreak.
A recent study using DNA barcoding has discovered five previously unknown frog species among 30 that were wiped out by a fungal epidemic in Panama. The research also highlights the urgent need to address the biodiversity crisis, with many species disappearing before they can be documented.
A study published in the Proceedings of the National Academy of Sciences reveals that a fungal disease has decimated amphibian abundance and species diversity in Central America's highlands. The researchers used DNA barcoding to estimate the impact of the epidemic, discovering five new species were also lost.
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A study finds that universal HIV testing and immediate treatment could reduce new HIV infections by 15 percent, but would not halt the epidemic. The test-and-treat strategy could extend life expectancy of HIV-infected patients by one to two years.
The Lancet Editorial emphasizes the need for low-cost and easy-to-implement interventions to address the global type 2 diabetes epidemic. The campaign led by Michelle Obama's Let's Move initiative promotes a three-component approach: nutrition, activity, and children.
Implementing the 3Is policy (Intensified tuberculosis case finding, Infection control, and Isoniazid preventive therapy) combined with earlier start of ART can prevent HIV-associated TB. Early diagnosis and treatment, along with a comprehensive package of HIV care, form the basis of prevention and control of HIV-associated TB.
Research by Indiana University scientists reveals that lake shape is a powerful factor controlling fungal disease epidemics. U-shaped lakes are more prone to epidemics due to the presence of Chaoborus, an invertebrate predator that spreads spores and catalyzes epidemics.
Research by Weijia Xing and colleagues reveals that most SARS epidemiological articles were submitted after the epidemic had ended, with only a small percentage published during the outbreak. The study suggests that journals alone are not sufficient to address delays in publishing epidemiological research on emerging infectious diseases.
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A study published in PLOS Medicine found that rural-urban migration in India is associated with rapid increases in obesity and diabetes. The research suggests that changes in migrant behavior, such as reduced physical activity, contribute to the risk of obesity and diabetes.
A comprehensive survey of 317 laparoscopic surgeons found that 87% experience physical symptoms or discomfort due to minimally invasive techniques. The study highlights the need for ergonomic solutions to address the risks associated with these procedures, which have already benefited millions of patients worldwide.
A recent study found a diabetes epidemic among First Nations adults, with women in their prime reproductive years disproportionately affected. The incidence of diabetes is more than 4 times higher in First Nations women compared to non-First Nations women.
A recent study published in BMC Public Health suggests that immediate and aggressive spending of $60 billion on HIV/AIDS treatment could end the epidemic globally. The research, which analyzed a leading-edge mathematical model, predicts that an accelerated approach over five years is necessary to control the spread of the disease.
Researchers found that population movement is a critical factor in dengue's spread in Rio de Janeiro. The study, published in PLOS Neglected Tropical Diseases, revealed that areas with high levels of people traffic have higher risk of transmission.
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Scientists from Tufts University have proposed a link between cholera outbreaks and fluctuating water levels in the region's three principal rivers. The researchers found two distinctive epidemic patterns associated with seasonal cycles of low river flows and floods.
Researchers argue that concurrency is not a major driver of the HIV epidemic in sub-Saharan Africa due to lack of conclusive evidence. They suggest that other factors are more likely to contribute to the spread of the virus, and recommend further research initiatives.
A study of 2,285 adults found that neighborhoods with better physical activity resources and access to healthy foods were associated with a 38% lower incidence of type 2 diabetes. The authors conclude that modifying environmental factors may be a key step in arresting the rising epidemic of type 2 diabetes.
Area-wide traffic calming schemes have been shown to be effective in reducing traffic-related injuries and deaths in high-income countries. However, more research is required to determine their effectiveness in low- and middle-income countries, where the situation is expected to worsen over the next decade.
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A €1 million grant from the European Commission will support LSTM in developing a national HIV strategy and programme of support for Libya. The project aims to address Libya's priority issues for HIV prevention and care by analyzing data and drawing evidence-based conclusions.
The study shows that the timing of rotavirus epidemics depends on birth rates in the population, with higher birth rates leading to earlier outbreaks. New vaccines may reduce the frequency and severity of these outbreaks, potentially shifting the age at which infection appears in children.
Researchers found a negative correlation between birth rates and the timing of rotavirus epidemics. With declining birth rates, outbreaks occur later in the year, particularly in California.
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Computer modeling reveals that rural residents are more likely to maintain normal social contact during an outbreak, increasing the risk of transmission. Researchers recommend vaccinating key network connectors and prioritizing community awareness campaigns.
A new study by the University of Kansas and Gallup indicates that people are naturally optimistic, with 89% expecting their next five years to be better than current life. Optimism is highest in Ireland, Brazil, Denmark, and New Zealand, but demography has a minimal impact on individual levels.
The International Diabetes Federation, World Heart Federation, and UICC are urging the international community to address the growing epidemic of non-communicable diseases (NCDs), responsible for 35 million deaths each year. NCDs, including cardiovascular disease, diabetes, cancer, and chronic respiratory diseases, pose a significant t...
A new study suggests that US obesity has been largely driven by increased energy intake, rather than reduced physical activity. The research found that if Americans had only consumed their recommended daily calorie intake, they would have gained approximately 10.8 kg less weight.
Elsevier has launched a new journal called Epidemics, which will focus on infectious disease dynamics. The journal aims to bring together researchers from various disciplines and provide a platform for high-quality papers in this emerging field.
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A new study by Michigan State University researchers suggests that prenatal exposure to DDT may play a role in the obesity epidemic among some women. Women who consumed high levels of fish and PCBs during pregnancy were found to have a higher risk of obesity.
Assistant professor Samantha Kwan argues that the concept of obesity has been overstated and is influenced by cultural beauty messages and health discourses. She claims that women are more closely tied to weight and appearance, and that conforming to norms can bring benefits beyond being healthier.
Research published in International Journal of Health Geographics links outbreaks of nephropathia epidemica, a rodent-borne disease, to global warming. Warmer weather and increased food sources for voles lead to population growth and disease transmission.
Research suggests that tributyltin, a persistent pollutant, affects gene activity and promotes the growth of fat storage cells in animals, potentially contributing to the obesity epidemic. The chemical's impact on retinoid X receptors, which regulate metabolism, is a recent discovery.
Researchers found that immune responses to a partial dose of a meningitis vaccine were comparable to a full dose, making fractional dosing an alternative in mass vaccination campaigns. This strategy could help control outbreaks in sub-Saharan Africa, where meningitis epidemics occur nearly every year.
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Scientists at UNC Chapel Hill and Vanderbilt University Medical Center successfully recreated the bat variant of the SARS coronavirus, a major step forward in developing effective vaccines and treatments. The research could help prevent future outbreaks by identifying key pathways in virus emergence.
A WHO study suggests that universal voluntary HIV testing combined with immediate treatment after diagnosis could significantly reduce HIV cases in a severe epidemic. The strategy aims to accelerate the transition from an endemic phase to an elimination phase, reducing HIV cases to 1 per 1000 people within 10 years.
The new guide provides standardized guidelines for collecting data from wild primates, aiming to identify infection patterns and prevent epidemics. By integrating research from various disciplines, the study seeks to reduce the risk of pathogens jumping from animals to humans and vice-versa.
Exposure to high temperatures reduces antifungal activity of ReNu with MoistureLoc contact lens solution, associated with the 2004-2006 Fusarium keratitis epidemic. The study found that storage at 60°C (140°F) for four weeks led to a significant decline in antimicrobial activity.
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A study at Henry Ford Hospital found that rapid HIV testing in the Emergency Department increased diagnoses by 56%, particularly among African American patients. The test provided results in just 20 minutes and helped identify high-risk individuals, who were more likely to modify their behavior and reduce transmission.