Articles tagged with Influenza Hosts
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A study published in Nature found that wild birds, particularly ducks, geese, and swans, are driving the current US bird flu outbreak. The viruses were introduced to North America via migratory birds and have become better adapted to infect wild birds since 2020.
The Global Pathogen Analysis Platform (GPAP) will enable low- and middle-income countries to conduct research and surveillance of infectious diseases independently. The platform aims to prevent disease outbreaks from developing into pandemics by detecting genetic sequences of potential pathogens.
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.
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 preclinical trial has uncovered how beta-glucan can 'reprogram' immune cells to prevent lung inflammation and reduce the risk of illness and death from influenza. The study's findings highlight beta-glucan as a promising therapy for influenza and other emerging viral pathogens.
Brigham researchers found that intestinal infections alter bile composition to promote intestinal defense, highlighting the liver's role in defending against infection. The study identified hundreds of new bile metabolites and revealed a shift in bile function during enteric infection.
Researchers at Ohio State University found that IFITM3 deficiency increases the risk of flu infection by unfamiliar viruses, allowing them to adapt rapidly to human hosts. The study suggests that people with IFITM3 deficiency are a uniquely vulnerable population for new animal viruses entering humans.
Scientists discovered that T follicular helper cells indirectly control the anti-influenza response, leading to less effective immunity. The study found that the current flu vaccine formulation could be improved by excluding internal proteins and targeting surface proteins.
A new study from the Cusack group sheds light on how avian influenza virus can mutate to replicate in mammalian cells. The key enzyme polymerase must adapt to overcome two main barriers: entering and replicating within host cells, as well as acquiring human transmission capabilities.
A recent study by Iowa State University researchers found that dairy cows have rich supplies of sialic acid, a sugar molecule that acts as a receptor for influenza. This discovery sheds light on how the virus attaches to hosts and raises questions about the risks of consuming raw milk from infected cows.
A molecule produced by gut bacteria, indole-3-propionic acid (IPA), has been found to reduce viral load and inflammation in mice infected with influenza virus. Researchers at the State University of Campinas and Pasteur Institute discovered that supplementing IPA supplementation reduced symptoms and improved outcomes.
Vanderbilt University researchers have isolated human monoclonal antibodies against influenza B, which may aid in the prevention and treatment of this virus. The antibodies, particularly FluB-400, can broadly inhibit virus replication and protect against infection when administered intranasally.
Researchers at UC Riverside demonstrate a new vaccine strategy targeting a common viral genome part, eliminating the need for annual booster shots. The vaccine uses small RNA molecules to boost the immune system, making it safe for babies and those with weakened immunity.
Researchers studied newborn piglets infected with influenza A virus to understand the progression of infections. They found that certain bacterial species were associated with lung lesions and viral loads, while others had an opposite effect.
Researchers have identified macrophages, immune cells that gobble up foreign substances, in the pleural cavity around the lungs. These cells play a crucial role in reducing inflammation and disease during flu infections.
Researchers discovered a subtype of avian flu virus is undergoing mutational changes that could increase its risk of being passed on to humans. The study found the virus can cause severe animal infections and be transmitted through airborne droplets.
A WVU study found that U.S. cities with new professional sports teams saw increased influenza mortality rates, with the NHL teams causing the largest increase. The researchers analyzed data from 122 cities and controlled for factors like population and temperature to find a significant correlation between team arrival and flu deaths.
New research found that coinfection with influenza A virus can significantly suppress SARS-CoV-2 replication in the lung. This effect can persist even after clearance of influenza A virus, suggesting potential factors that restrict SARS-CoV-2 growth.
A study published in PLOS Pathogens found that the M gene segment of influenza A virus restricts growth and transmission in human hosts. Excess production of the M2 protein resulting from avian-derived M segments interferes with cellular functions, highlighting the critical role of M segment gene expression in host adaptation.
A new web model of influenza-host lifecycles will help scientists understand how the virus interacts with its host, enabling the design of more effective anti-viral drugs. The Reactome database outlines a typical virus life cycle and will be updated as research becomes available.
Researchers at UW-Madison discovered a molecular mechanism that allows influenza viruses to cause sweeping damage throughout the body. The finding provides an additional marker for scientists to be aware of in their surveys of emerging viruses and may have broader implications in the virology field.