Articles tagged with Fever
A recent rat study identified the neural mechanism underlying chills, a cold sensation that supports the body's response to infection. The findings suggest that prostaglandin E₂ boosts cold signals from the lateral parabrachial nucleus to the central nucleus of the amygdala, triggering chills and promoting warmth-seeking behavior.
Despite an increase in US cases, worry about West Nile virus remains low, with only 15% of respondents concerned about contracting the disease. The vast majority know the best defense is preventing mosquito bites and controlling mosquitoes around their homes.
A team of international researchers, led by UC Riverside's Scott Pegan, are developing protective antibodies against CCHFV using monoclonal antibody treatments and exploring non-traditional viral targets. The study aims to identify life-saving therapeutics for future nairovirus outbreaks.
Researchers have found a way to rearrange atoms in a new generation of malaria drugs to make them more soluble, maintaining their effectiveness against drug-resistant parasites. This breakthrough could lead to an effective successor to artemisinin-based combination therapy.
Researchers at UMass Amherst's New England Center of Excellence in Vector-borne Diseases have identified a new strain of Rickettsia bacteria that causes spotted fever infections in humans. The discovery in Maine suggests rabbit ticks could be a zoonotic vector for serious infections, contradicting the usual dog tick vector.
A new collaboration aims to develop an affordable and accessible monoclonal antibody therapeutic for CCHFV, treating thousands globally. USAMRIID discovered the antibody in mice, and LifeArc is supporting development of a fully humanized antibody.
Researchers detected widespread contamination of retail chicken meat in Bangladesh with antibiotic-resistant E. albertii, a lesser-known but deadly pathogen. The study highlights the need for improved hygiene measures and stricter regulations to prevent foodborne infections.
Researchers found Oropouche virus is massively under-diagnosed in Latin America, with over 1 in 10 people experiencing a prior infection. Climatic conditions, including rain and temperature, significantly influence the virus's spread, posing risks to unborn babies.
Researchers have made significant discoveries about the role of GP38 in viral infections and pathogenesis, highlighting its potential as a target for vaccines and medical countermeasures. Non-neutralizing GP38-specific antibodies have shown protective efficacy against lethal challenge, reducing circulating GP38 and vascular leak.
Researchers found that immune molecule IL-17 influences brain regions to induce either anxiety in the amygdala or sociable behavior in the somatosensory cortex. This discovery highlights the interconnectedness of the immune and nervous systems.
The MOPEVACLAS vaccine candidate is being tested in a Phase I clinical trial for its safety and immune response in humans. The vaccine targets Lassa fever, a hemorrhagic disease responsible for thousands of deaths worldwide each year.
Thomas Jefferson University has initiated a phase 1 clinical trial for a Lassa virus (LASV) vaccine, currently enrolling healthy volunteers. The vaccine's safety and immunogenicity will be assessed in both the rabies virus and LASV.
A study of over 32,000 people in rural India found scrub typhus infection affects up to 10% annually, leading to hospitalisations due to severe fever symptoms. The researchers highlight the need for improved diagnostic capabilities and community awareness to reduce unnecessary hospitalisations and fatal cases.
A study by Charité - Universitätsmedizin Berlin and the German Rheumatology Research Center identified the Epstein-Barr virus as the trigger for Multisystem Inflammatory Syndrome in Children (MIS-C). The virus reactivates due to a weakened immune system, leading to an excessive inflammatory response.
The study emphasizes the importance of awareness in preventing Rocky Mountain spotted fever. Veterinarians and doctors must learn to recognize symptoms, understand treatments, and prescribe antibiotics like doxycycline to prevent death and severe illness.
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.
A new retrospective study found that nearly half of patients with fever of unknown origin in sub-Saharan Africa had a detectable pathogen, including bacterial strains and hemorrhagic fever viruses. The study highlights the need for strengthened laboratory capacity to improve diagnosis and treatment.
A study from the University of Gothenburg found that digital healthcare consultations are not reliable enough to assess tonsillitis due to limitations in criteria such as tonsil inspection and lymph node examination. Physical examinations remain crucial for accurate diagnosis and treatment.
The study found that irritability was the most common systemic reaction in children under 2 years, followed by fever and fatigue or sleepiness. Maternal vaccination is thought to be a factor in the higher prevalence of reactions after the first dose.
Researchers found that fever temperatures increase helper T cell metabolism, proliferation and inflammatory activity, while causing mitochondrial stress, DNA damage and cell death in a specific subset of Th1 cells. These findings may explain how chronic inflammation contributes to cancer development and suggest a fundamental way cells ...
Researchers from Thomas Jefferson University and the University of Maryland Baltimore developed a promising new vaccine candidate that protects against Lassa fever. The study demonstrated the vaccine effectively prevents severe cases of the disease and death in preclinical animal models, paving the way for research in people.
Researchers identified seasonal patterns in Valley fever cases influenced by California droughts. The study found that while most cases occur from September to November, drought periods temporarily dampen these peaks, but lead to bigger surges once rain returns.
Scientists found that a small increase in temperature can drastically change mutation frequency in E. coli bacteria, facilitating resistance development. The results suggest using fever control or antimicrobial drugs at higher temperatures to mitigate antibiotic resistance.
A new study led by UCSF found that COVID-19 vaccine side effects like headache and tiredness indicate a strong immune response. Those with more symptoms had nearly double the antibody levels of those without, suggesting the vaccine is effective in preventing infection.
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.
The study found a 5.7% blood culture positive rate among eligible Hem-Onc patients, with 56% having an absolute neutrophil count greater than 500 µL at presentation. Gram-positive organisms were the most common isolates, highlighting the diversity of bloodstream infection causes in this patient population.
Researchers from Florida Atlantic University suggest that selecting an OTC medication for mild COVID-19 symptoms should be based on the entire benefit-to-risk profile of the patient. They caution against using traditional NSAIDs like ibuprofen and naproxen due to their similar but greater side effect profiles compared to aspirin.
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 developed a faster test for mpox using CRISPR and nanopore sensing technology, which can detect the virus in 32-55 minutes, compared to hours of current lab testing. The test is specific to mpox and was confirmed not to detect other viruses.
A special Journal of Intensive Medicine issue explores the latest research findings on ICU infections, prevention strategies, and innovative approaches to sepsis management. The studies shed light on key challenges and advancements in critical care, highlighting the need for personalized treatment methods.
Accelerometer sensors can detect sickness behavior in wild boar, allowing for early detection of African Swine Fever. The study found that infected boars were 10-20% less active daily than healthy ones, making this technology a potential tool for disease control and prevention.
A recent study by researchers from Hackensack Meridian Health found that recurrent fevers in children increased significantly during the first year of the COVID-19 pandemic. The study suggests that these fevers may be more common than previously thought and could have been overlooked in non-pandemic times.
The proportion of children with fever treated across Africa, Asia, and Latin America has risen significantly from 61% to 71% over the past 30 years. Despite this increase, significant gaps in access to healthcare persist.
SARS-CoV-2's nucleocapsid protein (N) uses human body temperature to replicate, binding to RNA motifs at specific spatial folds. The study reveals new functions and potential targets for antiviral drugs.
Researchers found that infected mosquito saliva contains molecules called sfRNAs that can blunt the body's immune response. These molecules are injected during the mosquito bite, making it more likely for people to become infected with dengue virus.
A new University of Alberta study found that untreated moderate fever helped fish clear their bodies of infection rapidly and repaired damaged tissue. The research suggests that waiting before reaching for medications may be beneficial for humans.
A study finds that the 'classic triad' of meningitis symptoms - fever, altered mental state, and neck stiffness - are rare in both children and adults. The research highlights the need to improve symptom questioning to reduce treatment delays and improve outcomes for patients with bacterial meningitis.
A study led by Robert Dickson found that the gut microbiome plays a crucial role in regulating body temperature, both in health and during sepsis. The researchers discovered that certain bacteria from the Firmicutes phylum were strongly associated with increased fever response.
A study of 187 cancer patients found that delaying antibiotic treatment past 60 minutes didn't affect their 6-month survival rate. However, factors such as symptom severity and time to hospital admission were associated with increased risk of death.
A new study suggests that chronic dysentery is unlikely to have been the cause of Edward the Black Prince's death. Instead, experts point to alternative causes such as malaria, inflammatory bowel disease, and brucellosis, which could have contributed to his fluctuating illness.
Researchers developed an accurate predictive model to distinguish between COVID-19 positive and negative test outcomes. The study found that symptom features, such as fever and difficulty breathing, play a significant role in predicting test results, with molecular tests yielding lower positive rates due to their dependence on viral load.
Research suggests that long COVID patients share similar lingering negative effects on physical, mental, and social well-being with individuals who have other illnesses. The study found moderate-to-severe residual symptoms in 40% of COVID-positive participants and 54% of those who tested negative.
A research team at the University of California, Riverside has discovered the structure of a human monoclonal antibody that protects against Crimean Congo Hemorrhagic Fever virus. The study provides insights into fighting a broad range of viral strains and could lead to targeted therapeutics for infected patients.
Researchers at Linköping University identified the brain cells necessary for a fever reaction in mice, finding that prostaglandin production in these cells is both necessary and sufficient for triggering a fever response. This breakthrough sheds light on the body's defense mechanism against infection and inflammation.
A new study finds American dog tick populations expanding into Colorado and identifies Rocky Mountain wood ticks in 5 more counties than previously documented by the CDC. The study leverages citizen science data, revealing a critical need for increased tick surveillance and preventative measures against ticks.
A WVU biomedical engineer is working on a rapid diagnostic tool that can detect tick-borne infections such as Lyme disease via a blood sample on a single chip. The tool uses dielectrophoresis and machine-learning to detect diseases within one to two weeks after onset, reducing the risk of hospitalization and chronic conditions.
A collaborative network led by Cincinnati Children's Hospital Medical Center has received an $8 million grant to identify and validate biomarkers for acute rheumatic fever. This will enable the development of a sensitive and specific diagnostic test, crucial for diagnosing rheumatic heart disease, which is caused by a slow but progress...
A study by Medical College of Georgia at Augusta University found that fatigue and headache were the most common lingering symptoms after COVID-19, reported by 68.5% and 66.5% of participants, respectively. Cognitive impairment, depression, and anxiety were also prevalent among participants.
Researchers have identified 42 host cell proteins that contribute to the replication and spread of Lassa virus, a disease with high morbidity and mortality in Western Africa. One potential drug target, GSPT1, was found to be involved in viral-host interactions and showed antiviral activity against Lassa without cytotoxicity.
Researchers at the University of Malaga study the global risk of yellow fever transmission to humans, finding high zoonotic potential in southeastern Brazil and western Amazon basin. The team proposes prioritizing vaccination efforts in regions with favorable conditions for virus presence and mosquito vectors.
A molecule in mosquito spit called sialokinin has been identified as a potential new target for vaccination against Yellow Fever, Dengue and Zika. Researchers found that sialokinin causes blood vessels to become permeable, allowing viruses to infect the host.
Researchers found that birds infected with lipopolysaccharide from bacteria reduced their body temperature by 2°C to conserve energy. In contrast, chicks fed and warm did develop fever. The study suggests that regulated hypothermia is an energy-saving response during severe infection, prioritized over maintaining a fever.
A Canadian study of over 12,000 hospital admissions found that updated product label changes did not reduce rates of accidental acetaminophen overdose. The study suggests additional measures are needed to prevent these episodes beyond just labeling changes.
Researchers found that some painkillers and fever medications may help fight infection, while others can weaken the immune system. The review highlights the need for more studies on the impact of these medicines on infectious diseases.
Researchers have developed a low-cost system called SIFTER that uses advanced algorithms and models to continuously screen for fever in multiple people without requiring human interaction. The system can take temperature readings up to three meters away, producing accurate predictions with minimal disruption to normal activities.
The University of Texas at San Antonio has established a San Antonio-based Coccidioidomycosis Collaborative Research Center (SA-CCRC) focused on developing therapeutics and vaccines against coccidioidomycosis. The center will support applied clinical research and house an extended network of experts from partnering institutions.
The WV Clinical and Translational Science Institute is leading a national study on post-acute sequelae of COVID-19 (PASC) among adults. The study, funded by the National Institutes of Health, aims to better understand the long-term effects of COVID-19 and develop effective treatments for this disabling complication.
A new study published in PLOS Computational Biology found that the order of COVID-19 symptoms varies depending on the SARS-CoV-2 variant. In the USA, cough was most likely to be the first symptom, while fever and diarrhea were more common third symptoms.
A new COVID-19 mobile robot detects social distancing breaches in crowds and encourages people to move apart using a novel system that employs Deep Reinforcement Learning and Frozone algorithm. The robot also incorporates a thermal camera for contact-tracing efforts, ensuring privacy protection and de-identification.
A Québec research team studied the expression of three families of genes in the placenta and found associations with febrile seizure characteristics. The study, led by Professor Sarah Lippé, may help understand the underlying mechanisms of febrile seizures and their impact on children's cognitive development.