Articles tagged with Influenza
A recent study by the University of California, Davis, highlights the devastating impact of H5N1 on pinniped populations worldwide. The virus has infected over 400 million poultry and tens of thousands of seals and sea lions, with significant consequences for conservation efforts.
A Weill Cornell Medicine study found that prior exposure to one flu strain can weaken children's ability to mount an effective antibody response against a different strain, a phenomenon known as immune imprinting. This can lead to reduced effectiveness of future vaccines and increased risk of severe illness.
Severe COVID-19 and influenza infections can prime the lungs for cancer development, according to new research. Vaccination, however, largely prevents these changes, suggesting a reduced risk of lung cancer.
A review of 900 scientific articles identified several biological markers associated with cognitive decline in viral infections, including activated monocytes and pro-inflammatory cytokines. Conversely, certain markers like anti-inflammatory cytokines are linked to better preservation of cognitive abilities.
A recent study by University of Georgia researchers found that over 4 out of 5 dead black vultures tested positive for H5N1 bird flu. The actual toll is likely exponentially higher, posing a significant threat to the ecosystem. Sustained transmission and potential for increased virulence are concerning, especially for endangered species.
A study found that COVID-19 infection significantly increases the risk of acute kidney injury, chronic kidney disease, and kidney failure in US adults. The research used machine learning models to analyze data from over three million patients, revealing a 2.3-times higher risk of acute kidney injury compared to influenza.
A new Tulane University study reveals that SARS-CoV-2 infection causes persistent brain inflammation and small blood vessel injury, even after the virus is no longer detectable. This finding helps explain why long COVID often includes neurological symptoms such as brain fog and fatigue.
A study of over 50,000 pregnant women in Norway found low vaccination rates against COVID-19 and influenza, with only 29.9% and 12.1% vaccinated respectively. The study highlights the need for targeted strategies to improve vaccination uptake among expectant mothers.
A new study by Dr. Alex Gileles-Hillel and colleagues found that children with sleep apnea are twice as likely to contract the flu or COVID-19. The researchers suggest prioritizing annual vaccinations for these children to prevent severe respiratory complications.
The study found that a novel subset of white blood cells becomes infected in the lung and produces type 1 interferon, which triggers cardiac damage. A modified mRNA treatment was shown to mitigate cardiac damage while preserving the immune system's protective response. The research offers great promise for developing new therapies to p...
The high pathogenicity avian influenza virus H5N1 has caused the death of over 50 skuas in Antarctica, marking the first documented case of wildlife mortality due to the virus on the continent. The study found that the virus was primarily affecting the South Shetland Islands and Antarctic Peninsula.
A new experimental intranasal spray, INNA-051, will be tested in a randomized Phase 2 trial to determine its safety and effectiveness in reducing illness from respiratory viruses. The study aims to enroll 1,100 healthy adults at increased risk of upper respiratory virus infections.
The program brought together 31 health professionals from nine Asian and African countries for advanced training in epidemiology, clinical treatment, and research & diagnosis. Participants also conducted on-site field visits to leading institutions, strengthening their response capacities.
Researchers developed an intranasal vaccine that elicited strong immune responses and prevented infections in exposed animals, providing protection against upper respiratory infection and severe disease. The nasal vaccine was effective regardless of prior flu exposure, making it a promising tool in the fight against H5N1 bird flu.
The new platform developed by UVA Health scientists can produce vaccines much faster, cheaper, and more easily than traditional approaches. The platform's proof-of-concept demonstrates its ability to produce highly immunogenic vaccines that can be manufactured at extremely low cost.
A study found that maternal vaccinations against influenza and pertussis are associated with reduced hospitalization or emergency department visits in infants under 6 months. Implementing maternal vaccination campaigns can enhance infant health outcomes, addressing low vaccination coverage.
A new study found that airborne transmission of the flu is a major factor in its spread, but ventilation and air movement can reduce transmission. The study used a controlled environment to investigate how the flu spreads through the air between infected and uninfected people.
Public Health Alerts provide concise, data-driven information on disease outbreaks and urgent health events. The new series, launched by NEJM Evidence and CIDRAP, offers expert-reviewed reports to support public health evidence-based care.
The emergence of A(H3N2) subclade K viruses in Australia and New Zealand extended their influenza seasons, with Australia experiencing a record-breaking season. The viruses were likely imported from the US and accounted for half of Australian viruses and over two-thirds of New Zealand viruses.
A study by Iowa State University researchers reveals that avian influenza can infect livestock and humans through their mammary glands, which have high levels of sialic acids. This increases the risk of transmission and potentially more dangerous adaptations emerging.
The new guideline recommends full-time infection prevention staff, comprehensive training, and support for all staff, as well as partnerships with hospitals and public health agencies. This guidance aims to reduce the risk of infections in nursing homes, saving lives and money.
A cohort study of adults aged 45 or older with RSV infection found a significant excess risk of cardiovascular events over 1 year, comparable in magnitude to influenza infection. This highlights the importance of RSV as a potential risk factor for cardiovascular morbidity and underscores the need for vaccination to mitigate this burden.
Researchers studying long COVID are drawing parallels with historical chronic illnesses, highlighting the need for effective interventions. By analyzing past epidemics and post-acute infection syndromes, scientists hope to gain insight into the mechanisms of these conditions.
Researchers at Children's Hospital of Philadelphia found that circadian rhythms play a crucial role in boosting infection recovery in critically ill patients with respiratory viral infections. Maintaining a rhythmic meal schedule can mitigate the effects of disrupted light cycles and improve outcomes.
Research suggests that iron deficiency can negatively affect immune cells' response to viruses, leaving lasting effects on lung immune cells. Iron deficiency is linked to conditions like asthma and affects women and young children disproportionately.
Researchers found that avian influenza viruses can thrive in the lower respiratory tract and withstand high temperatures, while human flu viruses replicate at higher temperatures. Fever may not be enough to protect against avian flu viruses, which can cause severe illness.
The FluWarning system uses genetic code analysis to detect subtle changes in flu viruses that may indicate cross-species transmission. It has been successfully applied to H5N1 bird flu and detected clusters of viral activity in the US, issuing alerts before official reports were published.
Researchers found that immune cells in the gut follow an atypical pathway to produce antibodies providing long-term protection against viruses. The study could help guide the development of better vaccines for respiratory viruses like influenza and SARS-CoV-2.
The American College of Physicians (ACP) has issued new influenza vaccine practice points that recommend standard-dose trivalent or quadrivalent vaccines for healthy adults aged 18-64, and high-dose trivalent or quadrivalent vaccines for those 65 years old. The guidelines aim to prevent seasonal epidemics caused by highly infectious fl...
Researchers compared four flu vaccines and found varying cellular immune responses across different age groups. The Fluzone High-Dose vaccine outperformed others in older adults, while Flucelvax excelled in younger adults.
Researchers have developed particles that can deliver an effective immune response at a much lower dose than traditional mRNA vaccines. The new particles, called AMG1541, use cyclic structures and ester groups to enhance mRNA delivery and improve biodegradability. This could potentially reduce vaccine costs and side effects.
A new human lung alveolus chip model enables investigation of viral replication, inflammatory responses, and genetic off-target effects of a novel pan-influenza CRISPR therapy. The study achieved significant reductions in virus load and host inflammatory response after a single administration.
A new study found that COVID-19 work absences have become a year-round phenomenon in the US labor market, similar to pre-pandemic influenza season conditions. Nationally representative data can help monitor public health crises and inform policy decisions.
Researchers argue that AI can strengthen pandemic preparedness by detecting emerging diseases earlier. By combining data from humans, animals, and the environment, AI can reveal patterns and provide insights into potential pathogens.
A new molecular sensor can detect influenza virus in the presence of a thymol flavor, which is released when the virus interacts with human saliva. Researchers plan to integrate this technology into chewing gum or lozenges for at-home screenings and pre-symptomatic transmission prevention.
Dr. Langlois and his team will support large-scale scientific research, protect vulnerable communities, and strengthen Canada's ability to face future health emergencies. The High-Throughput Facility infrastructure will rapidly detect and track new infectious disease threats while protecting people and communities.
Researchers develop a framework for biologging-based surveillance to detect disease outbreaks in wildlife, providing insights into the spread of zoonotic diseases like avian flu and COVID-19. The approach aims to revolutionize public health interventions by enabling early detection and proactive prevention.
Researchers developed an unusual therapy using a cocktail of antibodies that protected mice from nearly every strain of influenza, including avian and swine variants. The therapy did not allow viral escape, even after repeated exposure in animals.
Researchers found that apolipoprotein D reduces the protective antiviral type I interferon response in older individuals, leading to more severe disease outcomes. This discovery offers a potential target for therapeutic intervention to protect against severe influenza virus infection in the elderly.
Researchers developed a high-volume method to rapidly build and test large numbers of antibodies at once, accelerating antibody research and treatment development. The oPool+ display platform has potential applications in influenza vaccination research, infectious disease treatment, and cancer research.
Researchers investigated why harbor seals get sick from influenza, while gray seals don't. They found no difference in cytokine profiles between infected and non-infected gray seal pups.
Researchers at Penn State College of Medicine discovered a new function of antibody-making B cells in response to flu infection. These cells produce a key signaling molecule called interleukin-1 beta, which is necessary for developing a robust immune response and forming optimal germinal centers.
The American College of Cardiology recommends flu, COVID-19, RSV vaccinations and others for adults with heart disease to reduce risks of infection, hospitalization, and death. Vaccination has been shown to be highly effective in reducing these risks, yet only 30% of primary care physicians assess patients' vaccination status.
A new study uses generative AI to quickly scan notes in electronic medical records and identify high-risk patients with potential H5N1 avian influenza exposure. The model detected 76 patients with high-risk exposures, including 14 confirmed cases of recent bird flu exposure.
Researchers identified key mutations in the H5N1 genome that enhance its human adaptive potential. The 2.3.4.4b clade has infected multiple mammalian species and is adapting to humans, posing a concern for increased mortality risk. Surveillance measures are recommended to counter this growing risk.
A study published in JAMA Neurology found that oseltamivir treatment during flu episodes was associated with a reduced risk of serious neuropsychiatric events. The researchers debunked the long-standing theory that flu treatment causes these events, and instead found that the infection itself is more likely to be the culprit.
A cohort study found that oseltamivir treatment during influenza episodes is associated with a reduced risk of serious neuropsychiatric events. This suggests that oseltamivir can be used to prevent these complications in children and adolescents.
A national study finds that the percentage of patients who wait four or more hours for a hospital bed has increased significantly, with even lower rates during non-peak months. The issue, known as 'boarding,' has become a major concern, putting patient safety at risk and straining emergency departments.
A new drug pairing of Theobromine and Arainosine has been developed to target the influenza virus's ion channel, effectively blocking its replication and spread. This breakthrough combo outperforms Tamiflu in fighting a range of flu strains, including drug-resistant versions.
A case series of children with influenza-associated acute necrotizing encephalopathy highlights the condition's severe impact on young, previously healthy children. The study emphasizes the need for prevention, early recognition, intensive treatment, and standardized management protocols to address this critical public health concern.
A multicenter study found influenza-associated acute necrotizing encephalopathy (ANE) carries a high risk of morbidity and mortality in children, with a 27% mortality rate. Survivors often experience neurological difficulties, emphasizing the need for rapid treatment and vaccination to prevent ANE.
Researchers found that common respiratory infections like COVID-19 and influenza can awaken dormant breast cancer cells in the lungs, leading to a massive expansion of metastatic cells. The study suggests that individuals with a history of cancer may benefit from taking precautions against respiratory viruses.
A Stanford Medicine-led report found that children with rare flu complications like influenza-associated acute necrotizing encephalopathy (ANE) need prompt treatment to survive. The condition causes brain swelling and a runaway immune response, leading to fatal outcomes if left untreated.
A retrospective study found that older adults hospitalized with RSV experienced significantly longer hospital stays, transfers to intensive care, and 30-day mortality compared to patients with other conditions. Additionally, RSV hospitalization was associated with higher rates of heart failure and atrial fibrillation post-discharge.
This study uses an analytical model to examine the effects of influenza vaccination on both vaccinated and unvaccinated populations. The results show that vaccination provides significant reductions in disease burden, even when vaccine effectiveness is low, but these benefits are limited in high transmission situations.
A new study from Cornell University researchers found that avian flu causes severe mastitis and decreased milk production in dairy cows. The economic loss is estimated to be around $950 per clinically affected cow, totaling approximately $737,500 for a single herd.
Researchers from University of Zurich and Basel decode historical specimen to understand how 1918-1920 influenza pandemic evolved in Europe. The Swiss genome reveals three key adaptations that made the virus more resistant to human immunity and more infectious.
Researchers found that T-bet expression is crucial for preserving the protective memory response in lung and lymph node memory B cells. Continuous T-bet expression in these cells enables their rapid differentiation into antibody-producing plasma cells upon a second flu virus infection.
The American College of Chest Physicians (CHEST) has launched a critical care APP education and certification program, covering 11 topic areas including patient-centered care and pharmacology. The CCAPP Certification Exam is now available, with an August 5 deadline to apply for the 2025 exam.
A new study suggests that monitoring airborne fungal spore levels can predict short-term outbreaks of flu and COVID-19 infections. High levels of fungal spores were strongly linked to increases in flu and COVID-19 cases, particularly in the fall season.