Articles tagged with Virology
Rutgers University scientists discovered a virus that caused the nationwide die-off of superworms, a common food for birds and pets. They used an advanced form of microscopy and insect slurry to identify the pathogen, paving the way for future diagnosis and vaccine development.
A Cleveland Clinic-led study found that maternal Zika virus infections can reprogram fetal immune development, leading to long-term consequences in children's immunity. The changes occur even in children born without physical or neurological symptoms of congenital Zika syndrome, suggesting a broader impact.
A new study reveals that about two percent of the population develop autoantibodies against type 1 interferons, making them more susceptible to severe viral infections. The autoantibodies remain detectable in the blood for life and are associated with a compromised type 1 interferon system.
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.
Researchers at Osaka Metropolitan University discovered that mycoviral infections can increase the sensitivity of oomycete plant pathogens to specific fungicides. This finding could lead to innovative approaches for controlling plant diseases and reducing chemical treatments.
A new molecular test WID-qCIN detects significantly more cancers and precancerous stages than current methods, identifying 100% of invasive cervical cancer and 93% of serious precancerous lesions. The test reduces the need for colposcopy examinations by 40%, improving the effectiveness of screening programs.
Researchers discovered that two species of marine bacteria work together to produce vitamin B12, essential for metabolism and survival of many marine organisms. The bacteria release building blocks into the water, which are then combined to form the vitamin through a complex process involving viral infection.
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.
A new study reveals that a specific RNA chemical modification, m6A, is crucial for HIV-1 virus replication and production. The research found that targeting this modification could lead to the development of new treatments for HIV infection.
A new lab-on-a-chip system combines optofluidics and nanopores to rapidly test for SARS-CoV-2 and Zika viruses with high accuracy. The tool, developed by UC Santa Cruz researchers, can detect viruses at extremely low concentrations and outperform PCR tests in some cases.
A new study by Karolinska Institutet researchers has identified the protein on cell surfaces that the Crimean-Congo hemorrhagic fever virus uses to enter human cells. This discovery is crucial in developing effective treatments and vaccines for the deadly disease, which can cause up to 40% mortality rate.
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 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.
A UC Riverside-led study has devised a way to make large quantities of the Membrane protein, which plays a crucial role in how SARS-CoV-2 acquires its spherical structure. The researchers found that when the M protein interacts with the membrane, it coaxes the membrane to curve, leading to the virus's characteristic shape.
Researchers have discovered a novel RNA viral genome from thermoacidophilic microbes in hot springs, revealing a previously overlooked third RNA virus kingdom. The discovery sheds light on the diversity and evolution of RNA viruses and their potential roles in high-temperature environments.
A new vaccine design has been developed by a UC Riverside-led research team, which uses preexisting immunity to the influenza virus to help kickstart the production of antibodies against SARS-CoV-2. The vaccine aims to speed up the immune response and provide better protection for people who still lack immunity to the coronavirus.
Narayanan is working on treatments for alphaviruses at George Mason University. Researchers are exploring new approaches to combat these viruses, which have significant public health implications.
Researchers developed a pipeline to evaluate the risk of infections by aquatic animals. The study found no evidence of human-associated viruses in aquatic animal transcriptomes, confirming their safety as protein sources. However, proper handling and storage are crucial to controlling SARS-CoV-2 spread through cold-chain food.
A recent study published in Nature Nanotechnology investigates the coronavirus's ability to attach to human cells under various mechanical stresses. The Alpha variant shows stronger cell adhesion, potentially contributing to its rapid transmission.
A groundbreaking study analyzed the behavior of atoms in COVID-19 proteins to understand its evolution and spread. The research found critical distinctions in mechanical stability among various virus strains, highlighting how these differences contribute to the virus's aggressiveness.
A study of over 2,300 patients found that HIV-1 neutralizing antibody response decreases over time but highly potent broadly neutralizing antibodies remain detectable. This finding suggests a possible permanent vaccine response and is an important step toward developing an effective HIV-1 vaccine.
Researchers found that antibodies targeting the N-terminal domain have a lower ability to protect against delta variants compared to those targeting the receptor-binding domain. The study provides new insights into vaccine development, highlighting the importance of understanding antibody responses.
The COVID Moonshot Consortium has discovered novel noncovalent and nonpeptidic inhibitors of the SARS-CoV-2 main protease, with promising bioavailability and antiviral activity. The open-science project has yielded a wealth of data on the virus's main protease, paving the way for future therapeutics.
A new five-year research project combines AI, virology, and ecology to anticipate future SARS-CoV-2 strains that could pass between animals and people. The team will use artificial intelligence to predict variants and assess risk of spillover from people to wildlife.
Researchers observed a satellite bacteriophage consistently attaching to a helper bacteriophage at its neck, revealing a new viral relationship. The discovery suggests that this system may be more common than previously thought and could have significant implications for understanding the evolution of viruses.
A study published in The Lancet Regional Health – Europe found that individuals with severe COVID-19 infections experienced the highest prevalence of chronic physical symptoms and had the most persistent symptoms for up to two years after diagnosis. In contrast, those who were never bedridden during their infection presented with a sim...
The Cumming Global Centre for Pandemic Therapeutics is offering global grants of up to $200,000 per annum for three years to develop novel therapeutics for pathogens of pandemic potential. Researchers are invited to submit expressions of interest for Round Two of the Foundation Grants program.
A new study reveals that mosquito eggs can tolerate extended desiccation by changing their metabolic pathway. By rewiring their polyamine and lipid metabolism, the eggs become more resistant to dehydration. This finding provides potential new ways to control the spread of Zika virus.
Researchers launch EU-funded initiative to uncover EBV's role in MS, aiming to find underlying mechanism and develop antiviral treatments. The project seeks to improve disease course or stop progression, with potential for preventive strategies like vaccination.
Researchers have developed novel molecules that target the membrane of viruses, rather than their proteins, offering a promising new approach for treating infectious diseases. The molecules, inspired by natural peptides, disrupt the protective layers of enveloped viruses like Zika and chikungunya, while sparing human cells.
Researchers find that viruses, like bacteriophages, can eavesdrop on bacterial communication and switch from chill mode to kill mode in response to chemical signals. The study reveals tools that control this strategy and demonstrates its abundance, providing new insights into viral behavior.
A Danish population-based nonrandomized intervention study found that a catch-up HPV screening intervention improved cervical cancer prevention in women aged 65 and above. The study showed that these women were more likely to be diagnosed with cervical neoplasia after receiving the test.
Researchers have identified four species of coronaviruses in UK bats, including two novel ones, which are related to COVID-19 and MERS viruses. Regular monitoring of wildlife viruses is crucial for public health preparedness and biodiversity conservation.
Researchers identified four therapeutic monoclonal antibody candidates that neutralized a range of SARS-CoV-2 variants. Prolonged exposure to the virus triggered somatic hypermutations, equipping these antibodies with an extensive binding interface.
A new study published in Science Advances has found that certain antibodies against the Epstein-Barr virus can mistakenly target the brain and spinal cord, causing damage in multiple sclerosis patients. The research reveals a potential link between EBV infection and MS, with implications for personalized therapies.
A Phase 3 trial found that mailing HPV self-collection kits and scheduling assistance increased cervical cancer screenings among under-screened, underserved women. The study demonstrated the effectiveness of this approach in breaking down access barriers to screening.
A study found bats in disrupted ecosystems are more frequently infected with coronaviruses, linked to chronic stress and loss of resources. Land use changes such as agriculture, deforestation, and energy production increase the risk of bat infection.
A study by Osaka Metropolitan University found that users of heated tobacco products had a higher rate of COVID-19 infections and severe cases requiring hospitalization or oxygen. Researchers analyzed data from 30,130 participants and discovered a significant association between heated tobacco product use and increased risk of SARS-CoV...
The CoDe tool enables precise edits to genetic codes, making vaccines safer and more effective. It can also modulate gene expression in small sections, aiding vaccine design and basic research.
Researchers suggest a four-part framework to identify animal viruses that may infect humans, focusing on viruses from repeat offender families and those with known human compatibility. By studying these viruses early, scientists can develop diagnostic tools and treatments, and be better prepared to combat future pandemics.
Researchers identified 7 key symptoms of long COVID, including heart issues and joint pain, in a study of 52,461 patients. The findings could help healthcare providers diagnose and treat the condition more effectively.
Researchers found that measles virus mutations in its fusion protein allow it to infect nerve cells, leading to subacute sclerosing panencephalitis. The team's discovery sheds light on the evolutionary mechanisms of viruses like coronaviruses and herpesviruses.
Experts call for a nuanced discussion around gain of function research, highlighting its benefits for human health and its potential to reduce future disease outbreaks. The authors emphasize the need for evidence-based policies that balance safety concerns with the importance of this research in protecting humanity from viral threats.
Researchers developed a translational step forward in treating brain tumors using intraventricular immunovirotherapy, which has shown safety and efficacy in recent clinical trials. This approach uses oncolytic herpes simplex virus type-1 to target high-grade glioma with promising results.
Researchers have shed new light on viral genome replication machinery, revealing its intricate structure at atomic resolution. The study, published in PNAS, provides essential insights into the assembly, dynamic operation, and potential therapeutic targets of this complex machine.
Researchers found that high levels of mucosal IgA antibodies in the airways protect against SARS-CoV-2 infection for at least eight months, with a 90% lower risk of re-infection. Participants with prior infections generated stronger mucosal immune responses to Omicron breakthrough infections.
A new study found that COVID-19 primarily affected patients with a moderate to critical course, often with comorbidities, whereas many had mild courses despite metastatic melanoma and systemic therapy, recommending continued treatment whenever possible.
A study found that Ezo red foxes and Japanese raccoon dogs infected with HPAI virus had different outcomes due to varying diets. The fox died, while the raccoon dog survived but suffered damage to its eyes. The findings suggest that monitoring programs should be expanded to understand HPAI ecology and identify risk factors.
A team of researchers at the University of Nebraska-Lincoln has discovered that certain microorganisms, such as Halteria, can eat high numbers of chloroviruses, which are known to infect green algae. This finding suggests that virovory, a virus-only diet, can support physiological growth and even population growth in an organism.
Researchers have unveiled the mechanism behind monkeypox virus genome replication using cryo-microscopy. The findings could guide the development of antiviral drugs and may aid in preventing future outbreaks.
Researchers found that lncRNA MVIH is overexpressed in cervical cancer tumors and associated with younger age, lymph node metastasis, tumor invasion depth, and squamous cell type. This suggests its potential as a diagnostic biomarker for cervical cancer.
Researchers develop a new method to track disease-carrying mosquitoes by ingesting harmless DNA particles, providing unique fingerprints of information. This innovative approach has the potential to revolutionize mosquito-borne disease surveillance and tracking, offering insights into mosquito movement and hotspots.
A study found that individuals with blood group Rh(D) have a higher risk of contracting parvovirus, which causes fifth disease. The study screened over 160,000 blood donors in Germany and found all infected persons belonged to the Rh(D) blood group.
A new multivalent mRNA vaccine candidate has shown promising results in mice and ferrets, producing high levels of cross-reactive antibodies and offering protection against various influenza strains. The approach differs from previous universal flu vaccines by including antigens specific to each subtype.
Three circulating omicron subvariants have shown improved resistance to vaccine- and infection-generated neutralizing antibodies. BQ.1 and BQ.1.1 are dominating US infections, while BA.2.75.2 is the best at evading neutralizing antibodies.
Researchers at La Jolla Institute for Immunology have developed a new therapy for Lassa fever using a trio of rare human antibodies that can block viral infection. The therapy, called Arevirumab-3, was tested in non-human primates and proved 100% effective in treating the disease.
Recent advancements in pig-to-human transplants have demonstrated potential as a solution to the dire transplant organ shortage, with over 100,000 people awaiting transplants. Further research is needed to address challenges such as navigating ethical concerns and reducing organ rejection, but trials should continue in humans.
The Independent Task Force Report emphasizes the need for a One Health approach to prevent or respond adequately to the next pandemic. Key findings highlight the importance of 'Smart Surveillance' to identify high-threat pathogens and invest in R&D for innovative diagnostics, antiviral strategies, and therapeutic research.
Researchers developed a highly effective and safe Zika vaccine technology that prevents systemic infection in pregnant mice and stimulates an immunogenic reaction. The vaccine was tested in various mouse models, proving safe and protective against the virus.
Researchers at the University of Maryland Baltimore County have discovered that some viruses can sense their environment and