Articles tagged with Zoonoses
A recent study found that over half of NYC's free-roaming cats are infected with zoonotic parasites. Young male cats, in particular, act as 'super-shedders' of roundworm (Toxocara) eggs, posing public health risks.
Researchers detected pathogenic species of Sporothrix in the internal organs of mammals, birds, and reptiles that were killed by vehicles on Brazilian roads. The study reveals a new reservoir for fungi, highlighting the need for surveillance.
Researchers detected airborne virus, wastewater contamination, and asymptomatic cows on infected dairy farms, suggesting multiple modes of transmission. This finding highlights the need for mitigation strategies to reduce viral spread in herds and humans.
A global study led by UBC researchers found that pet cats allowed to roam outside unsupervised carry infectious diseases at rates comparable to feral cats. The study analyzed data from over 174,000 cats across 88 countries and identified nearly 100 pathogens that can infect humans.
A new study found that influenza D viruses can vigorously replicate in human cells and lung tissue samples, suggesting a strong potential to spill over to humans. Researchers also detected antibodies against Influenza D in people who work with cattle, but no active human infection has been discovered to date.
A study led by Cleo Bertelsmeier found that wild mammals traded for pets, meat, or fur are 1.5 times more likely to share infectious agents with humans. The risk is higher when species are traded illegally or alive.
Research reveals fire-footed rope squirrels are a natural reservoir for the monkeypox virus, with evidence of interspecies transmission detected in Côte d'Ivoire. The study underscores the need for awareness among humans interacting with wildlife and deeper understanding of MPXV ecology to develop effective prevention measures.
Two confirmed cases of Nipah virus disease have been reported in West Bengal, India, with a very low risk for European travelers. Indian authorities have implemented prevention and control measures, and several countries in the region have initiated precautionary measures to reduce the risk of transmission.
A research team at the Walter and Eliza Hall Institute has discovered a genetic mechanism that allows certain parasites to infect multiple hosts, but at the cost of long-term survival. The study sheds light on how parasitic infections emerge and spread, with potential implications for public health surveillance and treatment strategies.
A comprehensive analysis reveals that raccoon roundworm has spread across nine European countries, primarily in Central Europe. The parasite can infect humans, causing severe neurological damage or death, especially in children.
A rare Seoul virus infection was reported in a German woman after visiting a private pet rat breeding facility. Laboratory tests revealed the presence of the virus in several rats from the facility, highlighting the need for better screening and hygiene practices.
Researchers conducted a survey of published studies on the transmission risk of 39 pathogens and diseases, finding that only 7.4% consider hazard, exposure, and vulnerability. The study recommends integrating these components for reliable models and guiding public policies.
Analysis found that Indigenous Territories with high forest cover can decrease disease rates, including malaria and pneumonia. Legal protection is key to maintaining this effect.
A UK study monitored antimicrobial resistance and influenza viruses in water bodies frequented by wild birds, finding widespread AMR genes in 92% of samples. Influenza virus was detected in just 3.4% of samples, highlighting the need for more sensitive detection methods.
A comprehensive study of over 2,500 bat faecal samples reveals that young bats are frequently infected with multiple coronaviruses. This finding could inform the prediction of emerging riskier coronaviruses and highlights the importance of understanding coronavirus evolution in their natural host.
A new study has mapped the history of infectious diseases across millennia, offering insights into how human-animal interactions transformed our health landscape. The research analyzed ancient DNA from over 1,300 prehistoric individuals, revealing that zoonotic diseases became more widespread around 5,000 years ago.
Researchers at University of Queensland have discovered a nanobody to combat two highly lethal viruses with no approved vaccine or cure. The DS90 nanobody can access hard-to-reach areas of the virus to block infection.
A new study finds that Salmonella Dublin causes increased calf mortality, lower milk yield, and higher medication costs in dairy farms. The disease leads to hidden financial losses due to gradual infection without visible symptoms.
Researchers have discovered two new viruses closely related to Nipah and Hendra viruses, as well as other microorganisms, in bats from Yunnan province. The study highlights the need for comprehensive microbial analyses of previously understudied organs to better assess spillover risks.
A new film series, 'The Deadly Five,' is launched to raise awareness of five critical animal infectious diseases affecting animal and public health. The series explores disease surveillance, prevention, and control through scientific insights and global collaborations.
Researchers found that pheasants released in the UK can carry Lyme disease bacteria in ticks, increasing the risk of human exposure. The study suggests 'spillback' from non-native species can lead to the emergence of zoonoses.
A new study by UNC Charlotte researchers reveals the H5N1 influenza virus is adapting to escape human immunity, increasing the risk of transmission in humans. The team's computational modeling finds a worsening trend in antibody affinity to more recent viral isolates, indicating a greater risk to human health.
Researchers identified six distinct communities of zoonotic agent sharing in Austria, influenced by highly connected infectious agents, proximity to humans, and human activities. The study highlights the importance of a holistic approach to understanding and managing zoonoses, emphasizing the role of food and water in transmission.
Researchers found that disease transmission between farms persists despite movement restrictions, with cattle movement activities being the strongest predictor of farm infections. The study calls for a multifaceted approach to managing Salmonella Dublin, including closer monitoring and targeted interventions.
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.
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.
Researchers found that humans transfer viruses to domestic and wild animals at a rate twice that of animal-to-human transmission, highlighting the importance of monitoring viral exchange between species. This study's findings have significant implications for understanding zoonotic diseases and conservation efforts.
Researchers at the Complexity Science Hub have isolated and genotyped Leptospira bacteria from Austrian cattle, revealing a widespread and adaptable strain that poses a public health risk. The study's findings highlight the need for improved diagnostic tests and biosecurity measures to prevent infection on farms.
A Swedish study found that up to 7% of blood donors had a history of TBE virus infection, affecting over 160,000 people. Vaccination coverage was estimated at 8-57% across different regions.
A research project led by Charité aims to better understand the impact of biodiversity loss on zoonosis risks. The team will investigate native forests and degraded reforested areas in Europe and Central America to identify land use changes and species circulation.
Researchers at UC Riverside found that SARS-CoV-2 entry varies among different species and tissue types, highlighting the need for thorough investigations into viral entry mechanisms. The study's findings suggest that targeting TMPRSS2 may not be effective in preventing COVID-19 infection in mink.
A recent study by the Complexity Science Hub found that at least two-thirds of animal COVID-19 deaths were not reported to official sources. The researchers compiled a comprehensive list of 35 animal species susceptible to SARS-CoV-2, highlighting the need for improved data exchange and reporting.
A new project will monitor how changing environmental conditions shape viral outbreaks in wild rodent populations to identify hotspots with high potential for spillover into people. The team will use metaviromics and AI to analyze data from wild rodents in the UK and Eastern Uganda.
Researchers at Cleveland Clinic have developed a potential vaccine candidate against Dabie Bandavirus using nanoparticles, which can deliver antigens at a lower dose with fewer side effects. The vaccine has shown promise in pre-clinical studies and could provide protection to adults over 50, who are most vulnerable to the virus.
A new paper suggests that ecology can inspire more powerful, resilient, and socially responsible AI to solve complex problems. Artificial intelligence systems can incorporate greater amounts of data and diverse sources, discovering new interactions and drivers that may not have been considered before.
Researchers developed a model explaining why bat-borne viruses cause higher case fatality rates in humans compared to other zoonoses; life history and immunology play key roles.
A new study provides detailed information on suckling mouse inoculation, characterizing transient and persistent symptoms, and incidence of manifestations in mice. The research reveals that mice from which viruses were isolated had concentrated periods and advanced days of disease onset.
A study found that climate influences the spread of polycystic echinococcosis, a neglected disease with high mortality rates, in the Amazon region. Climate factors can predict potential infection hotspots.
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.
The article highlights the need for a unified approach to prevent and respond to pandemics by adopting a One Health strategy. This involves targeted preparedness, drug and vaccine research, and worldwide cooperation on surveillance and stopping disease spread.
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.
A new University of Colorado Boulder research warns that an obscure family of viruses in wild African primates may jump to humans, causing disease. The study focuses on simian arteriviruses, which have caused Ebola-like symptoms in monkeys and may attack immune cells like HIV.
Scientists develop new approaches to combating poxviruses, including exploring substances that interfere with viral transcription and visualizing gene expression machinery at the atomic level.
Researchers developed an antibody cocktail effective against a Hendra virus variant, neutralizing its ability to mutate and evade recognition. The combination of four antibodies leaves the virus with minimal ability to further evolve, providing significant protection against this global biosecurity threat.
A new coronavirus has been identified in Swedish bank voles, with the virus found in 3.4% of voles between 2015 and 2017. Researchers from Uppsala University discovered the 'Grimsö Virus' in red-backed voles caught around Grimsö in Örebro County.
A new study used machine learning to predict the zoonotic capacity of 5,400 mammal species, identifying those at high risk of transmitting SARS-CoV-2. The model, which combined data on biological traits with ACE2 receptor information, predicted 72% accuracy and identified numerous additional species with potential to transmit the virus.
The WSU-led DEEP VZN project aims to detect and characterize unknown viruses that can spill over from wildlife to human populations. The project plans to collect over 800,000 samples and screen the genomes of novel viruses with high zoonotic potential.
A novel nairovirus, Yezo virus, has been identified in Japan causing a disease characterized by fever and reduced blood platelets and leucocytes. The virus is transmitted through tick bites and has been linked to at least seven human infections since 2014.
Researchers at WashU Medicine and University of Pittsburgh discover that Rift Valley fever virus uses a protein linked to cholesterol metabolism to infect cells. The finding could lead to therapies preventing or reducing the virus's impact by interfering with its entry into cells.
A recent study in northern Uganda found that bushmeat hunters and women who cook the meat are aware of the potential for zoonotic diseases, but their practices are often driven by financial gain rather than precaution. The survey also revealed that many hunters disguise primate meat to avoid detection, posing a risk to public health.
Campylobacter cases increased by 18.5% in Denmark, mainly attributed to outbreaks related to chicken meat. The study highlights the need for better controls on campylobacter in food production chains and emphasizes the importance of reliable data for effective prevention measures.
The American Association of Feline Practitioners has released updated guidelines for feline zoonoses, which are preventable diseases transmitted from animals to humans. The guidelines aim to educate veterinary teams and cat owners about these risks and provide recommendations for prevention and treatment.
Researchers identify unique cytokine markers for Hantavirus Pulmonary Syndrome (HPS) and Nephropatia Epidemica (NE), highlighting key differences in immune response between the two diseases. The study's findings suggest that 'cytokine storm' plays a crucial role in disease presentation.
Researchers have created summative world maps of mammal-to-human diseases, revealing understudied patterns and insights into zoonotic disease emergence. The maps show that hotspots of zoonotic diseases don't match hotspots of biodiversity closely, with more zoonotic hosts in the tropics but more zoonotic diseases in temperate regions.
A new paper by Stephen S. Morse and colleagues proposes a series of research and surveillance opportunities to bridge gaps in understanding zoonoses and improve pandemic prediction. The authors emphasize the need for a global early warning system to prevent emerging infections at their source.
New studies discuss the ecology, drivers, and dynamics of zoonoses, highlighting the need for effective collaboration between experts. While there are concerns about predicting zoonotic pandemics, recent advancements in modeling and technology suggest we may be on the verge of improvement.
The HALI project recognizes the need for integrated health approaches due to explosive population growth and environmental changes. Integrated policies addressing multiple causes of poor health, such as water scarcity and food insecurity, can yield larger health benefits than individualized interventions.