February 24, 2024

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First case in the past ten years: An 11-year-old girl died of bird flu infection

First case in the past ten years: An 11-year-old girl died of bird flu infection



The first case in the past ten years: An 11-year-old girl died of bird flu infection.

WHO: If the virus mutates significantly, it can be transmitted from person to person.

The recent rapid spread of the avian influenza virus H5N1 has finally resulted in fatal human cases, which is worrying.

11-year-old girl dies from bird flu

Cambodian Secretary of State for Health Yuk Sambas confirmed yesterday that an 11-year-old girl was infected with a highly pathogenic poultry virus in Sitoganla District, Prey Veng Province, Cambodia on the 22nd (Wednesday). Influenza (H5N1) and died.

First case in the past ten years: An 11-year-old girl died of bird flu infection

It is reported that this is the country’s first bird flu death since 2014 and the 57th case in the country. Between 2005 and 2014, the government reported 37 deaths linked to the H5N1 virus.

According to reports, the girl became ill on February 16 with symptoms including cough and sore throat . Due to aggravated symptoms, she was sent to the National Pediatric Hospital in the capital Phnom Penh on Tuesday (21st) and died in the hospital on the 23rd.

The test results of her samples conducted by the National Institute of Public Health on the same day were confirmed to be positive for the H5N1 virus .

The Cambodian Ministry of Health stated that ” various numbers of wild animal carcasses ” were found near where the infected girl lived . Samples taken from the carcasses of the animals have been sent to a laboratory for testing and the Ministry of Health is awaiting the results.

The girl’s father also tested positive for the virus but showed no symptoms. It is unclear whether the girl’s father became infected through human-to-human transmission, or through exposure to infected birds or animals.

After that, the emergency team of the Cambodian Ministry of Health found another 11 infected people in the province, 4 of whom had already started to show symptoms such as coughing. Emergency teams will continue to search for people affected by bird flu at the school.

Cambodian Minister of Health Mambunheng said that bird flu will threaten the health of people, especially children, and the public should be cautious when handling sick animals.

“Typically, children who play with or feed domestic birds, or come into contact with them through other activities, such as cleaning cages or collecting eggs, are the most vulnerable,” he said.

“Children also come into contact with adults,” he added.

Currently, the WHO is investigating the bird flu death in conjunction with Cambodian health experts.

WHO: The situation is worrying and all countries need to be vigilant

On the 24th (Friday), WHO influenza experts held a regular semi-annual meeting and responded to the “H5N1 avian influenza fatal event” that has attracted great attention from the international community.

Dr Sylvie Briand, director of WHO’s Epidemiology and Epidemic Preparedness Unit, said that given the widespread spread of H5N1 avian influenza in birds globally, there is also an increase in reported cases in other mammals, including humans , the current situation is worrying .

He stressed that WHO takes the risks posed by the virus seriously and urged all countries to be vigilant .

He said that the case in Cambodia deserves attention. The core reason is to find out whether the two related cases are “human-to-human” or just because both of them have been in contact with a dangerous environment.

It is reported that the H5N1 clade 2.3.4.4b was a key topic at this week’s meeting.

According to WHO data, the H5N1 subtype avian influenza virus carrying the 2.3.4.4b branch HA gene has ravaged farms around the world since it was discovered in 2020, killing tens of millions of poultry. Close to 200 million.

And recent reports of mass die-offs of infected mammals, from seals to bears, and mammal-to-mammal transmission last year on mink farms in Spain have raised concerns more broadly.

Since 2021, WHO has documented multiple cases of human infection with the H5N1 virus, including a 9-year-old girl in rural Ecuador, a person in the UK who kept “a large number” of poultry, two poultry workers in Spain and a doctor in the US. Individuals involved in the culling of affected poultry on a farm.

Somewhat reassuringly, however, cases of human infection with the virus remain relatively rare . Since 2003, 21 countries have reported approximately 870 human infections and 457 deaths to WHO. But the pace has slowed, with about 170 infections and 50 deaths over the past seven years.

Since there are no susceptible receptors in the human respiratory tract, experts believe that the H5N1 virus needs to mutate significantly before it can cause human-to-human transmission .

Dr. Richard Webby, director of the World Health Organization Collaborating Center for Animal Influenza Ecological Research, said that if the situation changes, there are currently more than 20 vaccines on the market that have been approved . In order to better deal with new viruses, the vaccine may need to be updated with the latest strains , and the whole process will take about 4-5 months.

At its just-concluded regular meeting, the Global Influenza Experts Meeting recommended the development of another vaccine closer to the H5N1 clade 2.3.4.4b strain.

Proper infection prevention

“To prevent infection, avoid touching and eating sick and dead animals, ” said public health expert Dr. Kwachi Menley .

” Bury the dead animal properly and wash your hands carefully afterwards, ” he said.

The World Health Organization recommends that poultry, poultry products and wild game birds should always be prepared under good hygienic conditions. Poultry should be cooked properly. Viruses are sensitive to heat and the normal temperature used for cooking (making all parts of the food 70°C) kills the virus.

First case in the past ten years: An 11-year-old girl died of bird flu infection

(source:internet, reference only)


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