Langya Updates: In the latest health news update in China you are going to get all the information about What is the new zoonotic virus known as Langya, which has infected 35 individuals in China? Learn more about health news today by reading the full article.
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A new zoonotic virus called the Langya Henipavirus has been identified in China’s two eastern provinces, almost three years after the country’s first report of a novel coronavirus. There have already been 35 cases of infection. This new henipavirus is also known as LayV, the Langya Henipavirus.
Pathogens at biosafety level 4 are categorised as henipaviruses (BSL4).They can cause serious sickness in both humans and animals, and there are currently no approved medications or vaccines designed specifically for humans.
WHAT IS THE VIRUS LANGYA?
The New England Journal of Medicine has released a research titled A Zoonotic Henipavirus in Febrile Patients in China that claims the recently identified virus is a “phylogenetically distinct Henipavirus”.
Prior to this, the Hendra, Nipah, Cedar, Mojiang, and Ghanaian bat virus subtypes of henipaviruses have been identified. The US CDC states that no human disease has been linked to the Cedar virus, Ghanaian bat virus, or Mojiang virus. Hendra and Nipah, however, infect people and can lead to lethal sickness.
The NEJM paper calls for further research into the illnesses linked to Langya, which is known to cause fever in humans.
According to the research, Langya’s genomic organisation is “identical to that of other Henipaviruses” and it has a close relationship with the “Mojiang Henipavirus, which was discovered in southern China.”
HOW WAS THE LANGYA VIRUS FOUND?
Langya was found in eastern China after surveillance testing on patients with fever and a recent history of animal contact. It was identified after being discovered in a throat swab sample from one of those individuals.
According to the NEJM study, 35 people with LayV infection were found in the provinces of Shandong and Henan, 26 of them had no other pathogens but were only infected with this new virus.
WHAT ARE THE LANGYA VIRUS’S SIGNS AND SYMPTOMS?
The study examined the 26 patients who just had a LayV infection to find the symptoms that went along with it. All 26 had fever, but 54% said they were tired, 50% had a cough, and 38% said they felt queasy. In addition, 35% of the total 26 reported experiencing nausea and vomiting.
According to the study, 35% of participants had compromised liver function and 8% had compromised renal function. The study found that the individuals also had abnormalities related to “thrombocytopenia (35%), leukopenia (54%), impaired liver (35%) and kidney (8%) function.” Thrombocytopenia, or low platelet counts, and leukopenia, or low white blood cell counts, both reduce the body’s ability to fight disease.
WHERE DID THE LANGYA VIRUS ORIGINATE?
Most likely, the new virus spread from one animal to people. Shrews had the largest concentration of the virus’ RNA, suggesting that they are the LayV virus’ natural hosts.
The study examined shrews after surveying both domestic and wild animals. Goats and dogs were found to be seropositive among domesticated animals.
WHAT ABOUT TRANSMISSION FROM PERSON TO PERSON?
There are still no definite answers. The authors of the study have emphasised how small the sample size is for determining human-to-human transfer.
They do, however, note out that there was “no close contact or common exposure history” among the 35 people who had the LayV infection, indicating that the “infection in the human population may be sporadic.”
The study also reported that contact tracing found no close-contact LayV transmission in 9 patients with 15 close-contact family members.
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