Articles tagged with Dengue Fever
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.
A study published in BMC Public Health found that high temperatures, humidity, and low wind speed are linked to increased dengue fever cases. The authors suggest that weather conditions affect mosquito survival and flying patterns, which contribute to disease transmission.
A new climate-based model predicts Dengue fever epidemics up to 40 weeks in advance with 83% accuracy, providing crucial time for public health authorities to mobilize resources. The model can be expanded to include Latin America and the Caribbean, where disease incidence has increased dramatically over the past 25 years.
A new study from Brandeis University estimates the economic cost of dengue fever globally at $1.8 billion annually, with a significant impact on healthcare systems and societies. The research assesses direct and indirect costs, including school absenteeism, lost productivity, and unpaid caregiver time.
Researchers at Cornell University discovered that male and female mosquitoes (Aedes aegypti) create a harmonic duet just before mating. The frequency of this duet is approximately 400-600 hertz for the female and 600-1200 hertz for the male, significantly above previously thought limits.
Cornell researchers have identified 63 proteins in male mosquitoes' seminal fluid that can suppress female appetite for mammalian blood and stimulate egg production. The study's findings could lead to novel strategies to prevent dengue virus spread, a disease affecting 50 million people annually.
A recent study published in PLoS Neglected Tropical Diseases found that health education regarding the prevention, diagnosis, and treatment of dengue fever is inadequate in Cambodia. The study suggests that these educational programs are accorded low priority, leading to poor resource allocation and lack of effective messaging.
Researchers have created genetically modified mosquitoes resistant to the Type 2 dengue fever virus, which infects 50 million people annually. The mosquitoes showed high levels of resistance and were able to reproduce, making them a promising tool for controlling mosquito-borne diseases.
A new study estimates that dengue fever costs over $13 million annually, equivalent to 940,000 lost workdays of output. A potential vaccine could offset 87% of treatment costs, reducing the economic burden on governments and households.
A new research project aims to introduce the Wolbachia bacteria into mosquitoes that carry the deadly dengue virus, reducing its lifespan and transmission. The five-year study, led by UQ, seeks to develop a cost-effective, self-perpetuating control strategy for large regional areas.
A novel mosquito control strategy using Mesocyclops crustaceans has proven effective in eradicating Aedes aegypti and reducing dengue fever cases in Vietnam. The approach involves inoculating large water storage containers with the crustaceans, targeting areas with high mosquito larva production.
A 1998 study predicts that global warming will increase the potential transmission of dengue fever in temperate regions. The researchers used computer models to simulate climate change and found that a relatively small temperature rise can lead to an increase in epidemic potential, allowing for more efficient virus spread.
Rising global temperatures could lead to the expansion of dengue fever's geographic range into temperate regions. The mosquito Aedes aegypti's larval size and adult frequency will increase with warmer temperatures, boosting disease transmission.