HMPV virus – latest: US monitoring China cases as Bali steps up checks on flights from the country
Authorities in Bali have asked nationals from China and Malaysia to fill out a health pass three days before their arrivals in the island nation
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Your support makes all the difference.The US is monitoring cases of human metapneumovirus (HMPV) infections after a reported surge in cases across China.
The Centers for Disease Control and Prevention said it was currently looking at reports of increasing cases in the US but played down any concern.
It comes as Indonesia has started monitoring flights from China and Malaysia amid concern over rising HMPV infections across the region.
Those travelling to Bali will have to fill out a form three days before their arrival to the island providing a record of passengers’ health, according to local health authorities.
Singapore said on Wednesday it had witnessed a spike in HMPV infections at the end of 2024 but added that it was consistent with expectations due to increased social gatherings and holiday travel.
Dr Sanjaya Senanayake, infectious disease expert associate professor of medicine at The Australian National University, said it was “vital” for China to share information in a “timely manner”.
The virus, which causes flu or cold-like symptoms, has seen cases spiking across northern Chinese provinces this winter, particularly among children.
Doctor says it is vital for China to share infection data
A disease expert has urged China to share infection data amid an outbreak of human metapneumovirus (HMPV) which has spread across four countries.
Dr Sanjaya Senanayake, infectious disease expert associate professor of medicine at The Australian National University, said it was “vital” for China to share information in a “timely manner”.
“Also, we will need genomic data confirming that HMPV is the culprit, and that there aren’t any significant mutations of concern. Such genomic data will also guide vaccine development,” he told MailOnline.
How to prevent HMPV transmission
HMPV (human metapneumovirus) spreads through direct contact with infected individuals or by touching contaminated surfaces, experts say.
Unlike viruses like flu, RSV, and Covid-19, there is no vaccine for HMPV, Dr Carla Garcia Carreno, director of infection prevention and control at Children’s Medical Center in Plano, Texas says. “We don’t have that advantage of priming or boosting our immune system to fight these viruses. But still, everything else that we learned for Covid can apply to metapneumovirus.”
She told CBS News: “If somebody’s sick, try to avoid crowding so they don’t expose everybody, especially the vulnerable people. If that person is sick and can not avoid going to a place where other people are, then try to use a mask, use cough and sneezing etiquette and good hand washing.”
Expert says no sign of serious global issue with HMPV infection
Prof Paul Hunter, professor in medicine at the University of East Anglia, has offered reassurances that there are no signs of a more serious global issue with HMPV, despite a recent increase in diagnoses in England.
He told the Science Media Centre: “In England we have seen a fairly marked increase in recent weeks – so far the peak per cent positivity is a little over what it was this time last year so no major difference to usual, unless infections positivity rates continue to increase in coming weeks.
“So overall, I don’t think there [are] currently any signs of a more serious global issue.”
He added: “HMPV is a quite common respiratory infection that peaks in winter. Almost every child will have at least one infection with HMPV by their fifth birthday and we can expect to go on to to have multiple reinfections throughout life.”
HMPV mainly affects babies and elderly, says Oxford expert
Prof Sir Andrew Pollard, an expert on infections and immunity at the University of Oxford, says that HMPV mostly affects babies and the elderly. “In most other age groups it simply causes the symptoms of a cold,” he tells the Science Media Centre.
“Human metapneumovirus virus is a common respiratory virus which was first identified almost a quarter of a century ago by Dutch scientists,” Sir Andrew says.
“It is one of the many viruses which circulate in the winter and add to the winter pressures on the NHS.
“The reports of respiratory infections in China in the past few days appear to be attributed to both influenza and this human metapneumovirus, which is rather similar to the situation in the UK this week. A vaccine for a similar virus, RSV, was launched by the NHS in 2024 and new vaccines are being developed which could protect against both RSV and human metapneumovirus in one jab.”
Is there treatment for HMPV?
Currently, there are no antiviral medications specifically for HMPV. Treatment focuses on supportive care to manage moderate or severe symptoms, according to experts.
“If you’re wheezing, we’ll give bronchodilators,” Dr Peter Chin-Hong, an infectious diseases specialist at the University of California, San Francisco, told ABC News, referring to medications that relax and open airways while helping to clear mucus from the lungs.
“If you’re dehydrated, we provide fluids, and we work to reduce the fever.”
Dr Chin-Hong also noted that co-infections, such as bacterial infections, can occur in some cases, which may require antibiotics for treatment.
Chinese authorities monitoring HMPV outbreak
Chinese health officials are monitoring an increase in cases of human metapneumovirus (HMPV), a respiratory virus that can cause both upper and lower respiratory diseases.
According to the World Health Organization (WHO), data from China indicates “a recent rise in acute respiratory infections”. However, the WHO clarified that “the overall scale and intensity of respiratory infectious diseases in China this year are lower than last year”.
Chinese officials have generally played down the outbreak, though state media confirmed cases had been “detected in children in a number of Chinese cities such as Beijing, Southwest China’s Chongqing, and South China’s Guangdong Province”.
Authorities in Beijing have released new guidance for the public “on how to prevent the disease including frequently washing hands and increasing immunity”.
The US Centers for Disease Control and Prevention (CDC) said on Monday that while the agency is “monitoring reports of increased disease” in China, these reports are “not currently a cause for concern in the US”.
Pictured: Public health in India
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Everything we know about HMPV in the UK: Symptoms, case numbers and how to get a test
Everything we know about HMPV in the UK: Symptoms, case numbers and how to get a test
There has been a surge in HMPV cases in northern China
US monitoring cases
The US is monitoring cases of human metapneumovirus (HMPV) infections after a reported surge in cases across China.
The Centers for Disease Control and Prevention said it was currently looking at reports of increasing cases in the US but played down any concern.
It comes as Indonesia has started monitoring flights from China and Malaysia amid concern over rising HMPV infections across the region.
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