Articles tagged with Infectious Diseases
Researchers at Kaunas University of Technology have developed hybrid compounds that simultaneously reduce cancer cell viability and inhibit bacterial and fungal growth. The compounds showed strong activity against aggressive cancer cells and certain bacteria and fungi, outperforming currently used drugs.
A new study published in JAMA Network Open suggests that decision support guidelines can safely reduce unnecessary endotracheal aspirate culture testing for children with respiratory complications. The study, funded by the NIH and AHRQ, found a 16% decline in EAC culture testing among patients without signs of respiratory tract infection.
A new study found TB preventive treatment to be effective in six countries with high TB and HIV rates, demonstrating program data showing scale-up impact. The study supports the critical role of TB preventive treatment in HIV care programs, highlighting the importance of sustained funding for global health programs.
UCF researcher Mollie Jewett aims to 'starve' Borrelia burgdorferi of nutrients to prevent Lyme disease spread. Her team is focused on targeting the bacteria's ability to consume riboflavin, a key nutrient for its survival.
A new study explains why drought can both reduce and increase waterborne diseases. The authors identified three mechanisms that determine whether a parasite will thrive or die out during drought: host-parasite concentration, desiccation traps, and changes in water quality.
A nationwide study published in JAMA Pediatrics found that early antiviral treatment with oseltamivir reduced ICU admissions and shortened hospital stays for children hospitalized with influenza. The study of over 7,000 pediatric hospitalizations showed a 31% lower likelihood of ICU admission among treated children.
Researchers at the Batista Lab have identified a gap in current malaria vaccines, which only target one region of the parasite. Adding short peptides to these regions can broaden the immune response and improve protection.
Researchers developed a model to optimize countermeasures while considering containment costs, identifying a clear threshold for optimal control. The study found that measures become necessary only when the disease reaches a certain severity, and that vaccination campaigns can help reduce transmission rates.
Researchers have compiled ten fundamental mechanisms governing the development of pandemics, highlighting the importance of understanding biological, mathematical, and social factors. These mechanisms can help improve preparedness and response to future pandemics by identifying key drivers of outbreak dynamics.
Researchers discovered that Candida auris uses chitin to create a 'perfect nest' on the skin, evading immune clearance. This understanding offers potential targets for preventing C. auris persistence and may help explain how it becomes deadly in vulnerable patients.
A study in Arequipa, Peru, found that a decentralized, immune-inspired surveillance model detected 23 infested households compared to just one through the conventional strategy. The new approach allowed local public health staff to accept reports of infestations and expand outreach to nearby areas.
Researchers found four immune system genes shaped by ancient infectious diseases, which may influence severe COVID-19. Rare genetic variants in these genes were associated with increased risk of severe illness and organ transplants.
A Germany-wide research project aims to improve care for patients with invasive fungal infections, analyzing current treatment and developing a new care model. The project will use routine data from over 74 million insured persons.
Researchers at UC Riverside are developing new treatments for malaria and babesiosis using naturally occurring compounds, including leelamine-derived isonitriles and pyrroloiminoquinones. The goal is to create oral treatments that can interrupt transmission of the parasites.
A novel treatment approach combining phage therapy and fecal microbiota transplantation has shown promise in treating recurring urinary tract infections. The study, published in Nature Microbiology, found that the treatment reduced UTI episodes and improved quality of life for patients.
Researchers at UC Davis identified a naturally occurring metabolite, 10-hydroxystearic acid (10-HSA), that repairs gut damage caused by HIV infection. Combining 10-HSA with standard antiretroviral therapy improved viral suppression and helped rebuild gut immune defenses in animal models of AIDS.
This study analyzed 9845 Ukrainian refugee children aged 5 and under in Southern Poland, identifying 5 distinct health care utilization profiles. The findings suggest that refugee-hosting countries must prioritize emergency and inpatient care following a crisis to rapidly adapt health care resources.
The PIEM concept introduces a new framework for studying persistent intracellular extraintestinal microbes, which reside within internal tissues and cells. Microbiome research has long focused on barrier surfaces, but PIEMs offer fresh perspectives on host–microbe relationships and the pathogenesis of complex diseases.
Researchers at the University of Manchester have developed a new family of antifungal agents that are more potent and less toxic than existing treatments. The compounds, which were discovered through genome mining, showed increased antifungal activity and improved solubility compared to existing drugs.
A new study found that a simple blood test can accurately identify tuberculosis (TB) among patients, which could help save millions of lives and reduce transmission. The test measures a specific marker called ESAT-6 produced by the TB bacteria.
Gaps in hepatitis prevention measures across Europe hinder efforts to eliminate the disease by 2030. Despite progress in vaccination and harm reduction, some countries struggle with low vaccine coverage and inadequate access to sterile needles for injecting drug users.
A new study reveals that industrial poultry farming has led to a 100-fold increase in Campylobacter movement, allowing strains to mix extensively in commercial poultry populations. This has resulted in more than 3.5 times as many gastroenteritis cases in the UK each year compared to other foodborne bacteria.
Technion researchers have identified a previously unknown mechanism that enables bacteria to rapidly develop antibiotic resistance. This non-canonical gene amplification process produces dozens of copies of resistance-conferring genes, allowing bacteria to adapt quickly to antibiotic treatment.
A study found that antibodies generated by vaccination against Zaire ebolavirus can neutralize the current Bundibugyo ebolavirus variant, suggesting possible cross-protection. However, further studies are required to confirm clinical benefit during the ongoing outbreak.
Researchers develop novel extracellular vesicle platform that makes bacteria more susceptible to polymyxins, enabling lower and safer treatment doses. The platform was shown to enhance bacterial killing and cause minimal toxicity in murine models.
A survey of U.S. adults found that most are unaware of the CDC's vaccine recommendations during pregnancy, with uncertainty prevailing across four vaccines and the Covid-19 vaccine. Women aged 18-49 were significantly more informed about the recommended vaccines than other age groups.
A growing number of European countries are detecting gonococcal strains resistant to ceftriaxone, posing a significant challenge for treatment options. Early detections are associated with importation from South-East Asia, and strengthening prevention is essential.
A new study reveals that Republican lawmakers sponsored 86% of antivaccine bills introduced in state legislatures after the COVID-19 pandemic. Meanwhile, Democratic lawmakers supported provaccine bills, highlighting partisan polarization's impact on vaccine access and public health.
The University of Minnesota Medical School research team has received a $10 million NIH grant to study how animals fight infection. The team will utilize a 'cellular zoo' of living cells from over 100 animal species to understand how different species recognize and respond to viral infections.
A German analysis explores how COVID-19 disrupted typical transmission patterns of respiratory diseases, leading to shifts in their seasonal surges. The study found that population-level loss of immunity after the pandemic caused a buildup of susceptible hosts, resulting in earlier peak weeks for these surges.
Researchers uncover how a family of tick-borne viruses, known as orthonairoviruses, evade the immune system by manipulating cellular communication pathways. This study highlights a significant pandemic risk posed by these viruses and emphasizes the need for continued surveillance and preparedness.
A pilot clinical trial assessed ibuprofen's safety and efficacy as an adjunct to standard TB treatment in patients with pre-XDR-TB and XDR-TB. Participants showed a reduced inflammatory response, indicating potential benefits for host-directed therapies.
A case study in eastern Ontario highlights the importance of considering tick-borne diseases as part of the infectious workup. Anaplasmosis, a growing public health concern in Canada, can cause symptoms such as fever, weakness, headache, and gastrointestinal distress.
A team of wildlife health experts and surgeons from the San Diego Zoo Safari Park and UC San Diego Health performed a groundbreaking mastoidectomy on Mizani, a 12-year-old western lowland gorilla. The procedure successfully treated an infection that had spread into portions of his skull, allowing him to make a full recovery.
Researchers found ultrafine particulate matter from cruise ships increases inflammatory signals and weakens cells' defense against viruses like COVID-19. The study suggests exposure to vanadium may facilitate viral replication, with potential implications for infection severity and spread.
A large dengue outbreak in Italy was analyzed to identify transmission patterns. The data show that more than half of linked transmission events involved people within 100m apart. Temperature played a role in reducing transmission, with a drop in autumn temperatures contributing to the decline.
Healthcare-associated transmission of Andes virus is uncommon but can occur when infection is not recognized early or protective measures are delayed, research suggests. Implementing transmission-based precautions at earliest stages of infection can prevent transmission in healthcare settings.
A long-term study by Hiroshima University found that lingering symptoms of COVID-19 became less common after the Omicron variant arrived, but some people continued to experience health problems years after infection. The study showed that recovery from COVID-19 does not always end when the infection clears, and that some individuals ma...
Scripps Research scientists will develop more comprehensive wastewater surveillance technologies and integrate diverse data to improve outbreak prediction. The project aims to support faster public health responses worldwide, particularly in low- and middle-income countries.
Researchers have developed a gene-editing tool that unlocks the secrets of fungi, a kingdom rich in antibacterial compounds. The tool, called fPE7max, enables precise control over DNA sequences and has identified three novel molecules with anti-cancer properties.
Researchers at UT San Antonio develop non-toxic biologic to prevent Lyme disease transmission. The treatment targets small mammals and birds, reducing bacterial loads in ticks, and may soon be available for residential use.
Researchers developed a pH-triggered nanocomposite that synchronizes the release of therapeutic agents, combating bacterial biofilms and oxidative stress. The platform accelerates healing and promotes tissue repair in infected wounds.
The study found that sepsis continues to be a significant cause of mortality in China, with infections accounting for the majority of deaths. The analysis also revealed age-related differences in sepsis burden, with older adults and males consistently carrying the highest risk.
A new study finds that climate change can impact flu season timing and severity across North, Central, and South America. Weather conditions like temperature and humidity help predict outbreaks, with tropical regions potentially experiencing stronger outbreaks while places with distinct seasons see smaller ones.
A study of 193 countries finds that armed conflict leads to more measles cases, even a year after fighting ends. Socioeconomic decline is the strongest connection between conflict and measles, as it erodes health foundations and population vulnerability.
Researchers at the German Center for Infection Research have developed a promising single-dose malaria treatment called SPAP, which targets the malaria parasite through multiple mechanisms. The four-drug combination therapy has shown significant promise in improving malaria treatment and could be a major advancement in sub-Saharan Africa.
Researchers developed a tool to observe complex molecular choreography in real-time, shedding light on how a key protein locates the correct regions of the genome to initiate an adaptive response. The study proposes that transcription produces a 'dynamic RNA hub' that recruits the DNA mutator protein AID.
Scientists have identified a unique chimeric RNA called UBA1-CDK16 that plays important roles in women's blood cell development and disease severity. The findings suggest the chimeric RNA may serve as a natural brake to protect women from excessive autoimmune activity.
Hantavirus and Ebola virus disease are two deadly infectious diseases that require rigorous infection and prevention control (IPAC) practices. Both diseases present with similar early symptoms and can be treated effectively with proper precautions.
Andrew Monteith, a microbiology professor at the University of Tennessee, has been awarded a four-year funding to explore the role of heat in infection and inflammation. His team aims to develop new models that incorporate temperature signals to better understand immune cell behavior and develop potential treatments.
A new study reveals that ancient bacterial genomes from teeth of human remains found at four hunter-gatherer cemeteries in East Siberia reconstructed the earliest forms of plague. The findings suggest that these early strains were highly lethal and carried a unique superantigen, increasing the severity of infection.
A study of over 3,200 emergency department patients across the US found that nearly all participants were aware of influenza vaccination, but 58.4% had not received a flu vaccine within the past year. Among those who declined vaccination, fear of side effects and lack of information were common concerns.
Researchers found well-preserved bacterial communities in ancient middens, including species from human feces and animal hosts. The study suggests that these communities provide a unique glimpse into the daily life of Paleo-Inuit and old Norse, including their farming, seal hunts, and toilets.
Researchers identified a shared biological feature of these pathogens that targets the mucus layer, allowing for a potential combination vaccine against all three biomolecules. The discovery could lead to significant progress in developing an effective vaccine against severe diarrhea.
A new study uses AI to identify promising chemical compounds that could develop into effective antibiotics against multi-drug resistant Neisseria gonorrhoeae. The approach has the potential to address the growing crisis of antimicrobial resistance in this fast-evolving pathogen.
A global study confirms mosquito nets reduce malaria cases by up to 68%, but highlights regional variations and the need for locally adapted control strategies. The researchers warn that relying on ITNs alone may not be enough, especially in areas with established insecticide resistance.
A deadly hantavirus cluster on a cruise ship has sparked global alarm, but new research highlights the overlooked risk of agricultural and wildlife farming environments. The study calls for a One Health approach to protect agricultural workers worldwide from this preventable occupational risk.
Remote monitoring approaches did not increase home time but reduced it for those 65 years and older, supporting tailored care after acute infections. The findings suggest reevaluating remote monitoring to align with patients' needs and desires.
A clinical trial tested four remote monitoring approaches against usual care and found that none outperformed usual care in reducing readmissions. The study highlights the importance of studying real-world care models to optimize outcomes.
According to new research, a warming climate is making parts of California more suitable for dengue fever transmission. Nearly half of the state's population now lives in areas where conditions allow for local transmission. As temperatures rise, so does the risk of illness and potential outbreaks.