US Scientists Working With Bird Flu To Make It Transmittable To Humans

Researchers from the US and Netherlands will be allowed to continue experiments trying to engineer a strain of bird flu which could infect humans (stock image of a flu virus)

The US Government has been scorned for lifting its ban on experiments to engineer deadly bird flu which could infect humans.

Research into the viruses will soon be allowed to carry on, despite experts warning people could die if the pathogens break out of laboratories.

Scientists say they want to study the virus ‘to protect human health’ so they can learn more about it and be better prepared for a pandemic.

But Professor Steven Salzberg, a biomedical engineering expert at Johns Hopkins University in Maryland, said he cannot fathom why the US National Institutes of Health, which has permitted the ‘dangerous’ research, is allowing it to happen.

Researchers from the US and Netherlands will be allowed to continue experiments trying to engineer a strain of bird flu which could infect humans (stock image of a flu virus)

‘I’ve said it before, more than once,’ he wrote in a column for Forbes magazine.

‘Engineering the flu to be more virulent is a terrible idea… This research has the potential to cause millions of deaths.’

Professor Salzberg claimed two scientists have spent years trying to mutate the avian flu to spread between humans.

But the National Institutes of Health (NIH), the US Government’s medical research agency, put the research on hold in 2014 because of safety concerns.

Despite a letter signed by hundreds of scientists from around the world, the NIH has now lifted the ban and will allow Ron Fouchier and Yoshihiro Kawaoka to continue their experiment.

Science magazine reported last month a government board had decided to allow the research to continue but would not publicly release details of its review.

As a result, the government will consider new funding applications for research in this specific area of virology.

In 2014, the NIH granted professors Fouchier and Kawaoka more than $600,000 (£458,000) towards their project spreading bird flu between mammals.

Their research explored ways in which existing bird flu viruses could mutate so they would be able to pass between droplets of breath from ferrets.

‘One of the deadliest strains of avian flu circulating today is H5N1,’ Professor Salzberg wrote.

‘This strain has occasionally jumped from birds to humans, with a mortality rate approaching 50 per cent, far more deadly than any human flu.

‘Fortunately, the virus has never gained the ability to be transmitted directly between humans.

‘That is, it didn’t have this ability until two scientists, Ron Fouchier in the Netherlands and Yoshihiro Kawaoka at the University of Wisconsin, engineered it to gain this ability.

Professor Steven Salzberg said engineering bird flu so it could spread between people is a 'terrible idea'

Professor Steven Salzberg said engineering bird flu so it could spread between people is a ‘terrible idea’

‘(Actually, their work showed that the virus could be transmitted between ferrets, not humans, for the obvious reason that you can’t ethically test this on humans.)’

Professor Salzberg’s fear of the researchers creating a virus which could kill millions of people stems from flu outbreak death tolls from history.

In 1918, for example, the Spanish flu outbreak which spread to people from birds killed around three per cent of the world’s population – between 50 and 100million people.

There are fears of another devastating virus outbreak, and more densely populated areas and faster travel round the world could help one spread out of control.

Professor Salzberg rubbished the two scientists’ claims their research would help authorities predict or prevent an outbreak of mutated bird flu in the future.

He said: ‘We don’t even stockpile vaccines for the normal seasonal flu, because it mutates too fast, so we have to produce new vaccines each year.

‘And the notion that anyone can predict a future pandemic strain so precisely that we could design a vaccine based on their prediction is laughable.’

Professor Salzberg called on the US Congress to intervene.

Professor Kawaoka told Science: ‘We are glad the United States government weighed the risks and benefits … and developed new oversight mechanisms.

‘We know that it does carry risks. We also believe it is important work to protect human health.’

WHAT WAS SPANISH FLU?

The 1918 flu pandemic was unusually deadly and the first of two involving the H1N1 influenza virus.

It infected 500 million people globally, more than one-third of the world’s population, including people on remote Pacific islands and in the Arctic.

It resulted in the deaths of an estimated three to five per cent of the world’s population, making it one of the deadliest natural disasters in human history.

Spanish Flu resulted in the deaths of an estimated three to five per cent of the world's population, making it one of the deadliest natural disasters in human history. This image shows soldiers from Fort Riley, Kansas, ill with the virus

Spanish Flu resulted in the deaths of an estimated three to five per cent of the world’s population, making it one of the deadliest natural disasters in human history. This image shows soldiers from Fort Riley, Kansas, ill with the virus

Within months it had killed three times as many as World War I and did it more quickly than any other illness in recorded history.

Most influenza outbreaks disproportionately kill juvenile, elderly, or already weakened patients.

By contrast, the 1918 pandemic predominantly killed previously healthy young adults.

To maintain morale, wartime censors minimised early reports of illness and mortality in Germany, Britain, France, and the United States.

However, newspapers were free to report the epidemic’s effects in Spain.

This created a false impression of Spain as being especially hard hit, leading to the pandemic’s nickname Spanish flu.

The close quarters and massive troop movements of World War I hastened the pandemic and probably both increased transmission and augmented mutation, researchers believe.

The true global mortality rate from the pandemic is not known, but an estimated 10 per cent to 20 per cent of those who were infected died.

This would lead to a death toll of between 50 to 100 million people.

Original Article:https://www.dailymail.co.uk/health/article-6786195/US-Government-lifts-four-year-ban-allow-dangerous-bird-flu-experiments.html

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