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Category: Outbreaks & Epidemiology ×
H5N1 Avian Influenza: 70 Human Cases in the United States, Including One Death, Linked to Dairy Cattle
The H5N1 virus is no longer confined to birds. In the United States, farmworkers have been infected after direct contact with infected dairy cows. A new study highlights this co...
Cats and COVID-19: More Frequent Exposure Than Expected
A study conducted between November 2021 and March 2022 in the Lisbon region (Portugal) reveals that nearly one-third of cats living in households where at least one person teste...
COVID-19: Nearly One in Two Cats Exposed to the Coronavirus in Peru
A study conducted in Lima, Peru, reveals that a surprisingly high proportion of domestic cats were exposed to SARS-CoV-2 during the first wave of the pandemic. Published in *Fro...
H5N1 Influenza: An Avian Influenza Virus Transmissible Through the Air Among Mammals
An article in the journal *Nature* describes the mode of transmission of influenza A (H5N1) and how the virus spreads through the air. The researchers used devices to collect vi...
Bluetongue (Ovine Catarrhal Fever): What You Need to Know
Since early August, bluetongue (BT) has been spreading across 10 departments in northeastern France. BT, also known as “bluetongue,” primarily affects sheep and ewes. The Minist...
Avian Influenza in Cats: What You Need to Know
An article from the Colorado Veterinary Medical Association (CVMA) reports that six cases of highly pathogenic avian influenza (HPAI) caused by the H5N1 virus were diagnosed in...
Mpox: Monkeypox Virus DNA Detected in Pets in the United States
The U.S. Centers for Disease Control and Prevention (CDC) tested for the presence of pox virus DNA in pets living with patients infected with pox in the United States. The CDC r...
The West Nile virus is transmitted from mosquito to mosquito through their feces
The West Nile virus persists within Culex mosquito populations through the infectious feces they produce, without the need to infect intermediate vertebrate hosts. The discovery...
COVID-19: SARS-CoV-2 Infection Causes Neurodegeneration in Dogs and Humans
A Korean study shows that the Delta variant of SARS-CoV-2 can infect dogs and cause cellular damage in the brain and lungs, even in the absence of neurological or respiratory cl...
COVID-19: White-tailed deer, a potential new reservoir for SARS-CoV-2
Since the start of the COVID-19 pandemic, the white-tailed deer has drawn the attention of scientists, who view it as a major factor in the spread of the coronavirus worldwide....
Avian influenza: A new subtype may facilitate airborne transmission of the H3N8 influenza virus to mammals
Researchers at the University of Nottingham have discovered a subtype of the H3N8 avian influenza virus—which is endemic in poultry farms in China—that has undergone enough gene...
COVID-19: Cats May Play an Important Role in the Transmission of the SARS-CoV-2 Coronavirus
A study by the American Society for Microbiology reveals that cats are susceptible to SARS-CoV-2 infection, that they can transmit the virus to other cats, and that they also en...
HPAI: What are the effects of highly pathogenic avian influenza on canids?
On March 29, 2022, a large-scale die-off of crows in a public park in Sapporo, in northern Japan, caught the attention of scientists, especially since a red fox and a Japanese r...
COVID-19 Screening: Sniffer Dogs Achieve Excellent Results in Real-World Settings
What politician or event organizer hasn’t dreamed of being able to test groups of people in real time? Scientists are publishing their findings on efforts to detect the COVID-19...
On the Trail of the Origin of COVID-19
While the COVID-19 virus (SARS-CoV-2 coronavirus) continues to circulate and claim lives around the world, its origin remains unknown. Each scientific community puts forward its...
West Nile virus reported for the first time in Lebanon
The West Nile virus has never been detected in Lebanon. However, the country is located along the migratory route of birds traveling to and from the Middle East. Serological scr...
Avian Influenza: Proactive Surveillance Under the “One Health” Framework
The recent avian influenza outbreak that ravaged India in late 2020 and early 2021 was marked by high infection and mortality rates among wild birds. Every affected region of th...
Stray animals are also at risk from COVID-19
While many studies have focused on exposure to SARS-CoV-2 among pets and farm animals, the risk to stray animals has been much less thoroughly assessed. However, researchers hav...
In Brazil, 31% of dogs and 40% of cats tested positive for COVID-19
With more than 9 million confirmed cases of COVID-19, Brazil is one of the countries hardest hit by the novel coronavirus. Researchers therefore set out to assess the pandemic’s...
Equine rhinopneumonitis: The Reality of the Epizootic in France and Europe
Herpesvirus type 1 is causing concern in the equestrian world. After an international show jumping competition held in Valencia, Spain, in late January, hundreds of horses retur...
Avian Influenza: How Can We Predict Future Outbreaks?
In Europe, outbreaks of highly pathogenic avian influenza among wild birds and farmed poultry are, unfortunately, no longer rare. An epidemiological, ecological, and evolutionar...
COVID-19: One Year Later, What Do We Know About the Virus’s Origin?
One year after the onset of the COVID-19 pandemic, theories about the origin of the SARS-CoV-2 virus continue to abound. Researchers have still not identified the intermediate h...
COVID-19: Understanding the Infectivity of SARS-CoV-2 in Humans and Animals
The novel coronavirus (SARS-CoV-2) has spread like wildfire among human populations around the world. But at the same time, certain animal species have also proven susceptible t...
COVID-19: Why Some Animals Are More Susceptible Than Others
3D modeling of the protein receptors that allow SARS-CoV-2 to enter various animal cells has revealed unique structural features that are necessary for infection. This knowledge...