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Category: One Health & Zoonoses ×
More than half of New York City’s free-roaming cats carry intestinal parasites?
A study of free-roaming cats in New York City found that 57.5% were infected with at least one endoparasite, with Toxocara by far the most common.
Giardia in cats: large North American study finds 6.3% prevalence and substantial zoonotic potential
A large molecular survey of more than 157,000 domestic cats in the United States and Canada found Giardia duodenalis in 6.3% of faecal samples.
Emerging fungal zoonoses: pets, cities and antifungal resistance are reshaping One Health risks
Closer contact between people and companion animals, urbanisation and changing environmental conditions are altering the epidemiology of fungal zoonoses, according to a new 2026…
Canine leishmaniosis is expanding northward in Italy, new incidence mapping shows
Canine leishmaniosis is no longer confined to Italy’s traditional endemic areas in the south.
Tick-borne zoonoses are common even in healthy adults in Northwestern Italy
A study from Northwestern Italy has found unexpectedly high exposure to multiple tick-borne pathogens among healthy adults, including people without symptoms at the time of…
US paediatricians renew call to ban raw milk sales as H5N1 adds a new zoonotic risk
The American Academy of Pediatrics (AAP) has renewed its call for a nationwide ban on the sale and distribution of raw milk and raw dairy products, warning that the emergence of…
Global animal trade has transformed zoonotic risk and the economics of outbreak control
The global movement of animals has expanded dramatically, reshaping not only livestock production but also the pathways through which pathogens move between wildlife, domestic…
H5N1 transmission to humans: poultry exposure dominates, but environmental and cattle pathways are increasingly documented
A new review of 120 scientific and grey-literature sources provides one of the most detailed maps yet of how highly pathogenic avian influenza A(H5N1) has been reported to reach…
Bluetongue BTV-3 cuts milk yield and disrupts fertility in dairy cows
Bluetongue virus serotype 3 (BTV-3) can cause substantial production and reproductive losses in dairy cattle, according to a Danish study conducted after the 2024 outbreak.
One Health policies still leave wildlife surveillance as a major global blind spot
A global review of One Health policies finds that surveillance systems remain heavily concentrated on livestock, common pets and a limited number of economically important…
New tick-borne virus identified in China after study of unexplained SFTS-like illness
Researchers in China have identified a previously unknown tick-borne orthonairovirus associated with fever, fatigue, gastrointestinal symptoms and abnormal laboratory findings....
Leptospirosis infections in cats: an underestimated One Health issue?
Cats have long been considered relatively resistant to leptospirosis, but a review suggests that this view is increasingly difficult to maintain. Evidence of antibodies, urinary...
Brucella canis: an underrecognized zoonotic threat at the dog–human interface
A new review in Pathogens argues that Brucella canis remains substantially underdiagnosed in people despite its established zoonotic potential. The bacterium is maintained prima...
Flooding increases leptospirosis risk across Thailand as cases exceed 3,300
Thailand’s health authorities are warning of increased leptospirosis risk as widespread flooding and waterlogged conditions expose people to contaminated water, soil and mud. By...
Emerging viral zoonoses: vaccination and One Health surveillance move to the centre of pandemic preparedness
Mpox, Ebola, Marburg virus disease, Rift Valley fever and avian influenza differ markedly in their reservoirs, transmission routes and clinical impact. Yet a new review identifi...
Horses and Donkeys Used as Sentinal Animals for Crimean-Congo Hemorrhagic Fever in Europe
As part of a “One Health” approach, to track the circulation of the Crimean-Congo hemorrhagic fever virus in Southeast and Central Europe, a study analyzed blood samples from ho...
Marburg virus: a deadly zoonosis with various animal reservoirs
The Marburg virus, the causative agent of a highly fatal hemorrhagic fever with a high case fatality rate, is a classic “One Health” issue: most human outbreaks, which occur mos...
Zoonoses: The “Public Health Time Bomb” That Primarily Affects Poor Countries
A journal highlights the massive human and economic cost of animal diseases transmissible to humans in low- and middle-income countries. In the shadow of COVID-19, another crisi...
Zoonoses in Europe: In 2024, Outbreaks Often Originated on Our Plates
The EFSA-ECDC annual report shows an increase in foodborne infections and confirms the urgent need for a “One Health” approach. Campylobacter, Salmonella, Escherichia coli, List...
Nonhuman Primates in India: A Barometer of Zoonosis Risk in Asia
The Indian subcontinent is home to Asia’s largest populations of nonhuman primates, with a total of fifteen species, including seven species of macaques, five species of langurs...
Campylobacteriosis, salmonellosis, cryptosporidiosis: human diseases that often originate in animals
A new analysis by the CDC confirms that many human gastrointestinal infections in the United States have a direct animal origin. These recent data illustrate the significant inc...
Toxoplasmosis: A Study Reveals That Transmission of the Parasite Is Largely Environmental
A study conducted in Belgrade, Serbia, seeks to piece together the puzzle of toxoplasmosis in urban settings. By cross-referencing analysis data from wild birds, backyard chicke...
Leptospirosis: Initial Evidence of an Aquatic Reservoir in Freshwater Fish
A team from Lincoln Memorial University (Tennessee) reports, for the first time, the detection of Leptospira DNA in the kidneys of freshwater fish, as well as circulating antibo...
H5N1 in Pigs: An Emerging Threat and the Urgent Need for a “One Health” Response
According to a recent study , the highly pathogenic avian influenza virus H5N1 clade 2.3.4.4b is evolving at an accelerated rate, with genotypes B3.13 and D1.1 recently detected...
African swine fever: What Science Really Contributes to On-the-Ground Efforts
An article in *Frontiers in Veterinary Science* summarizes recent advances in the fight against African swine fever (ASF): more precise diagnostics, “physical” biosecurity, risk...
H5N1 in Pigs: An Emerging Threat and the Urgent Need for a “One Health” Response
According to a recent study , the highly pathogenic avian influenza H5N1 clade 2.3.4.4b is evolving at an accelerated rate, with genotypes B3.13 and D1.1 recently detected in da...
An innovative cancer drug for cats opens up new possibilities for humans
Researchers at the University of California, Davis, and the University of California, San Francisco, conducted a groundbreaking clinical trial in cats with oral squamous cell ca...
Usutu Virus: A Silent Spread That Has Experts Concerned
The Usutu virus, a flavivirus transmitted by mosquitoes of the genus Culex , is attracting increasing attention in Europe. Initially identified in Africa, it is now well establi...
Exposing Babies to Dogs: A Genetic Approach to Treating Infant Eczema
A study reveals a previously unknown link between having a dog at home during early childhood and a reduced risk of eczema in children with a genetic predisposition. For the fir...
Zoonoses: The Camel as a Carrier of Six Transmissible Infectious Diseases
It is the economic backbone of desert regions and an icon of the Sahara. But behind its placid demeanor, the camel is now a major concern for veterinarians and public health off...
Cities Overrun: Rats as Indicators of a Global Crisis
Urbanization, climate change, silent proliferation: an urban scourge is taking hold across the globe. From the sewers of Paris to the streets of New York, from the canals of Ams...
Rabies: First Effective Single-Dose Treatment for Symptomatic Disease
Infections with the rabies virus and related lyssaviruses are generally fatal once the virus reaches the central nervous system and the first symptoms appear. A study tested a t...
Climate and leishmaniasis: Horses May Be a Major Reservoir for the Parasite
Leishmaniasis is a zoonosis considered endemic in the Mediterranean region. The infection is transmitted through the bites of sandflies infected with Leishmania infantum . Altho...
Emerging zoonoses: The risk of a pandemic is correlated with host characteristics
Why do diseases transmitted by bats—which are the natural hosts of several viruses—result in higher mortality rates in humans than zoonoses spread by other animals? To answer th...
Lyme disease: What if the Solution Lay in the Blood of the White-tailed Deer?
Like many vertebrate hosts, particularly in wildlife, the white-tailed deer can be infected with Borrelia burgdorferi . However, this animal is considered an incompetent reservo...
When Research on Canine Cancers Benefits Human Medicine
Given the difficulty of studying the development of certain human diseases, research sometimes turns to so-called animal models—ranging from zebrafish to chimpanzees. This raise...
The prevalence of coronaviruses in bats is increasing as human activities intensify
According to a study, bats harbor more zoonotic agents in habitats that have been heavily altered by humans. Human disturbances are a source of chronic stress for wild animals,...
Rabies Case in France: Ministry of Agriculture Seeks Witnesses
Since the death of the dog infected with rabies on October 25, the authorities have still not been able to determine the animal’s origin or trace its movements, which is becomin...
Does the rise of intensive farming increase the risk of a human pandemic?
The global COVID-19 pandemic has brought renewed attention to a long-standing debate about the role of the changes our species has wrought on its natural environment in the emer...
Rodents remain reservoirs of potentially deadly diseases
Rats and mice are known worldwide and throughout history to be the source of deadly diseases for humans and even for other animal species. Viruses and bacteria are not the only...
Zoonoses: Alert Regarding Arteriviruses That Cause Monkey Hemorrhagic Fever
Scientists have demonstrated that the simian hemorrhagic fever virus (SHFV) is capable of infecting and replicating in human monocytes. To enter the cell, it uses the same cellu...
Lyme disease: Toward New, More Reliable, and Multi-Species Tests?
Talking about Borreliosis in France can sometimes feel like breaking a taboo. The effectiveness of serological tests may be part of the reason… A new diagnostic strategy could s...
Zoonoses: West Nile and Usutu viruses are circulating among bird populations
For the first time, neutralizing antibodies against two zoonotic flaviviruses—West Nile and Usutu—have been detected in passerines in western Spain. The discovery that these vir...
Zoonoses: The Role of Wildlife in the Emergence of Human Diseases Is Being Questioned
According to a report by the International Union for Conservation of Nature (IUCN), contact with wild animal species is not the primary source of zoonoses transmission. What con...
A canine animal model for a better understanding of giftedness in humans
Some highly gifted dogs have a more exceptional ability to learn human language than others. This ability has not gone unnoticed, and researchers have sought to use dogs as anim...
Comparative Medicine: A “One Health” Approach to Sudden Cardiac Death
Sudden cardiac death is a major public health issue. But humans are not the only ones affected. Dogs and cats are also susceptible to it and share many pathophysiological and ge...
Zoos: Rodents Play a Major Role in the Transmission of Zoonoses
Globally, rodents carry numerous zoonotic agents. To limit human exposure and the transmission of these zoonoses, it is therefore particularly important to determine their preva...
Toward a “One Health” Approach to Stress Management to Better Manage Epidemics
The COVID-19 pandemic is a particularly relevant example of the impact of stress on our societies. While humans have faced the onslaught of the virus, the risk of illness, lockd...