Co-circulation of Mayaro and chikungunya viruses has been observed in Roraima, Brazil's northernmost state, according to a recent study. The finding highlights the need for more effective epidemiological surveillance in the region. Deforestation and human activities may facilitate transmission in urban areas.
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.
A deep metagenomic sequencing study in Berlin wastewater reveals common viruses like RSV and flu, seasonal visitors like asparagus-infecting viruses, and astroviruses with potential for gastrointestinal tract infections. The analysis also identifies novel enzymes with biotechnological potential, expanding our knowledge of viral diversity.
Researchers analyzed genomic data and human travel patterns to understand the spread and evolution of Streptococcus pneumoniae. The study found that a pneumococcal vaccine reduced antibiotic resistance but allowed non-targeted strains to gain a competitive advantage, suggesting short-lived protection.
A recent outbreak of highly pathogenic avian influenza A(H5N1) in Finnish fur farms resulted in severe disease and widespread inflammation in infected animals. The virus caused significant adaptations to mammalian hosts, increasing the risk of potential human infection.
Researchers have discovered a new source of resistance to the devastating wheat blast disease, leveraging a gene that also protects against powdery mildew. The Pm4 gene, found in European wheat varieties, confers dual protection against the pathogen and its effector molecule AVR-Rmg8.
A majority of Americans say four key pandemic policies were 'generally a good idea' in retrospect, including mask requirements, healthcare worker vaccination, indoor dining closures, and K-12 school closures. Views on these policies vary across subgroups, with Democrats and urban residents more likely to support them.
Researchers tracked mpox cases in a surveillance network of 13 emergency departments, finding three new cases among gay and bisexual men who have sex with men. The study highlights the need for vigilance and vaccination to prevent further transmission.
A review of research suggests that only around half of individuals feel comfortable disclosing their STI diagnosis to a partner before engaging in sexual activity. Comprehensive sex education is needed to prevent the spread of infections and support individuals with diagnosed STIs.
Researchers identified a global climate indicator, Indian Ocean basin-wide index, that can improve predictions of dengue outbreaks several months in advance. This could facilitate efforts to tackle the rising infection threatening half the world's population.
A new study has discovered that bank voles in southern Sweden carry a virus that can cause hemorrhagic fever in humans, spreading the disease further south than previously known. The virus strain is closely related to strains from Finland and Karelia.
A novel real-time PCR method has been developed to detect and identify the emerging zoonotic foodborne pathogen E. albertii, which is often misidentified as E. coli. The study found that E. albertii can survive in the human intestinal tract for approximately four weeks.
The 2022-2023 mpox outbreak in the Netherlands declined due to infection-induced immunity in high-risk groups, highlighting the importance of prompt vaccination implementation and ongoing surveillance. The study recommends swift vaccination programs and continuous monitoring to mitigate future outbreaks.
A new BU study links sewage overflows to increased risk of acute gastrointestinal illnesses in downstream communities. Residents are at a 62% higher risk of developing AGI within four days after large-volume combined sewer overflows, regardless of drinking water source.
A new study by Emory University researchers found a link between deforestation and rabies outbreaks in cattle in Costa Rica. The study suggests that decreased availability of bat-roosting sites within forested habitat may increase the preference of vampire bats to feed on cattle.
The Global Burden of Diseases study reveals a 49.4% increase in global disability-adjusted life years (DALYs) attributable to metabolism-related risk factors between 2000 and 2021. High blood pressure, high blood sugar, and high BMI are key contributors to poor health and early death.
Researchers developed a synthetic biomarker technology that can differentiate between prior Zika and dengue virus infections. The technology, using epitope surrogates, correctly identified people previously infected with Zika virus 85.3% of the time.
A new study suggests that countries should prioritize tuberculosis treatment for exposed individuals with evidence of TB infection, regardless of age—except in high-burden settings, where all exposed individuals should be considered for treatment. Preventive treatment can stop latent TB infections from developing into deadly TB disease.
A study of hand sanitizer sales before, during and after the H1N1 swine flu pandemic found that supply and demand balances quickly, with retailers adapting to stockpiling behaviour. The research suggests there is no need for panic-buying and price gouging.
Researchers developed a new 'proactive vaccinology' approach to build vaccines before disease-causing pathogens emerge. The Quartet Nanocage vaccine trains the immune system to target specific regions of eight coronaviruses, providing broad protection against known and unknown strains.
A study found that households with traditional dirt floors and animals indoors have higher human flea populations, increasing disease risk. Upgrading flooring to concrete or board can help reduce flea infestations and improve quality of life.
The global measles case total for 2023 is almost double that of the previous year, with a significant increase in cases reported in low- and lower-middle-income countries. Experts attribute this to increased transmission due to gaps in immunization coverage and lack of uniformity in vaccination rates.
A study by Osaka University researchers found that mask-wearing behavior depends on the interplay of contextual changes and social norms. The results showed no significant relationship between system justification motivation and individual mask-wearing rates before or after the relaxation of governmental recommendations in March 2023.
Mosquito-borne diseases are becoming a global phenomenon due to climate change, increasing the risk of local transmission in Europe and beyond. Researchers are developing early warning systems to combat outbreaks, which could save millions of lives.
Research found that babies born to mothers infected with dengue fever during pregnancy had lower birth weights and a higher risk of extremely low birth weight. Additionally, children whose mothers were infected had a increased risk of hospitalization from birth to age three, particularly in their second year of life.
Measles is a highly contagious respiratory infectious disease that can cause complications such as ear infections, pneumonia, and neurologic disorders. The measles vaccine is effective and safe, but individuals with immunocompromised conditions require careful consideration.
A VACCELERATE Consortium survey study found that 57% of global infectious diseases experts ranked influenza as the top pandemic risk, with Disease X and SARS-CoV-2 also among the most concerning pathogens. The study highlights the need for continued preparedness and surveillance to prevent pandemics.
Researchers identified alterations in the monkeypox virus genome that correlate with increased transmissibility, shedding light on the 2022 outbreak. The study's findings may help develop more effective prevention and treatment strategies.
A new study found that gay and bisexual men who contracted mpox during the 2022 UK outbreak experienced substantial stigma and poor-quality care when accessing services. The research highlights the importance of involving affected communities in responses to outbreaks and improving quality of care for emerging infectious diseases.
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.
A recent study has identified two distinct viral variants circulating in India, one with a low number of genetic variations and another with a high number of genetic variations. The latter variant is similar to LSDV strains from an outbreak in Russia in 2015, which may have contributed to the severity of the disease.
Researchers reconstructed a Late Holocene-aged subfossil coral death assemblage and compared it to modern reefs in Southeast Florida. The study reveals significant differences in coral composition between the two periods, suggesting that modern reefs may not be able to support range expansions of temperature-sensitive species.
Researchers are developing a flexible online tool to navigate information used in the fight against deadly diarrheal diseases. The Plan-EO dashboard will provide real-time data on pathogen dynamics, allowing infectious disease experts and local leaders to make smart decisions and save lives.
Researchers found that humans transfer viruses to domestic and wild animals at a rate twice that of animal-to-human transmission, highlighting the importance of monitoring viral exchange between species. This study's findings have significant implications for understanding zoonotic diseases and conservation efforts.
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.
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.
A global rise in Legionnaires' disease since 2000 has puzzled experts. The study suggests that a decline in sulfur dioxide air pollution may be contributing to the increase, as airborne water droplets carrying Legionella bacteria become more acidic and inhospitable to the bacteria.
A study analyzing salmon mortality data from 2012 to 2022 found a significant increase in mass mortality events worldwide. The researchers estimate potential maximum annual losses from these events to be over 8 million fish across major salmon-producing countries.
Researchers found that insecticide paint effectively killed mosquitoes for up to a year in Cabo Verde, with good acceptance from the population. The VESTA formulation met WHO efficiency threshold requirements, making it a promising strategy for preventing vector-borne diseases.
Researchers found that altering the starch, oil, and amino acid content of a broiler diet can help support healthy growth in coccidiosis-challenged birds. The optimal mix consists of 35.8% starch, 8.9% oil, and 101.3% recommended amino acids.
A Zika vaccine candidate has been shown to be safe and effective when administered both before and during pregnancy, according to a new study. The purified, inactivated vaccine (ZPIV) candidate prevented placental damage and blocked transmission of Zika virus from mother to fetus.
Researchers have created a galvanized steel coating that reduces corrosion and prevents bacterial growth, improving food safety. The coating decreases bacterial strains over seven days and can be used on grain storage silos and other food-related storage units.
A new rapid test has been developed to identify hantavirus in South Korea, paving the way for early outbreak control. The Flongle sequencing-based diagnostic is cost-efficient and can detect HTNV genomes within 3 hours.
Researchers mapped disease dynamics in foothill yellow-legged frogs, tracing patterns of infection across a large geographic range. The study found that drought, rising temperatures, and agricultural land conversion drive Bd infection, with the pathogen affecting nearly entire region from southern coast to central Oregon.
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.
Researchers at Texas A&M University have developed a coating that bolsters the safety of fresh produce and provides enhanced protection against bacteria and fungi. The coating combines wax with nano-encapsulated cinnamon-bark essential oil in protein carriers to enhance antibacterial properties.
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.
Researchers mapped potato blight outbreaks in the US from 1843-1845, revealing the disease's early spread and public understanding of its causes during the mid-19th century. The study provides insight into the disease's history and its impact on crop losses.
A study using historic and modern writing reveals more information about the effects and spread of Phytophthora infestans, a plant pathogen that caused the 1840s Irish potato famine. Researchers tracked the disease's spread across the US and Canada, finding it affected multiple states and provinces between 1843-45.
A new nanocomposite porous antifouling coating has been developed, enabling higher numbers of biomarker-detecting probes and up to 17-fold higher sensitivities than previous best-in-class sensors. This breakthrough broadens the diagnostic horizon for multiplexed electrochemical sensors across multiple diseases.
A life-threatening mold infection known as Fusarium solani meningitis can cause devastating brainstem and blood supply injuries among healthy patients. The fungus was resistant to all antifungal agents except Fosmanogepix, leading to the development of an experimental treatment.
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.
Researchers have discovered that wastewater monitoring can detect norovirus outbreaks earlier than traditional surveillance methods, depending on the level of reporting. This novel approach has significant implications for public health strategies, enabling authorities to respond more swiftly and effectively to emerging outbreaks.
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 comprehensive study reveals repeated incursions of Foot-and-Mouth Disease virus in Israel and neighboring areas, emphasizing the importance of improved surveillance, vaccination efforts, and cross-border cooperation. The research underscores the necessity for unified strategies to effectively combat FMD and reduce its economic and ag...
Researchers from UC San Francisco have found that Paxlovid treatment does not reduce the risk of developing long COVID. They also discovered a higher proportion of individuals with acute symptoms rebounding after treatment, and those who took Paxlovid were just as likely to develop severe Long COVID symptoms as those who did not.
A study predicts tecovirimat administration impacts time to viral clearance in mpox patients, combining pre-clinical and clinical data. Early tecovirimat treatment shortens the time to mpox clearance in a human infection model.
SourcePLOS·JournalPLOS Biology·TypeComputational simulation/modeling·DateDec 21, 2023