A Virus 96 Per Cent Identical To The

A virus 96 per cent identical to the [/news/coronavirus/index.html coronavirus] that causes Covid-19 was found in an abandoned mine in [/news/china/index.html China] seven years ago, according to an investigation.
The bat-infested copper mine in Mojiang, western China, was home to a coronavirus that left six adult men sick with pneumonia and three of them dead.
Scientists took samples from the bats' faeces, tour phượng hoàng cổ trấn found on the cave floor, and stored them in a laboratory 1,000 miles away in Wuhan for years while studying them.
And last December, Wuhan became the source of a global coronavirus pandemic which has now infected more than 11million people and killed 525,000.
That virus, named RaBtCoV/4991 at the time, now appears to be the closest relative to SARS-Cov-2, which is causing Covid-19, a [ ] investigation has found.
But Chinese researchers do not seem to have been forthcoming about the fact they found such a similar virus almost a decade ago in 2012, and especially not that it killed three men when it was discovered.
The virus has reportedly featured in only one widely-available scientific paper and that didn't mention the fact it had caused fatal pneumonia in humans.
One scientist said that the trail of research suggests Covid-19 may actually have broken out into humans in a rural area of China near Mojiang and kynghidongduong.vn then been transported to Wuhan, a city of 11million people, where it triggered a global pandemic
The discovery that something very similar to Covid-19 was circulating in bats in Mojiang - half of bats tested in the mine were carrying at least one type of coronavirus - has raised doubts about the true source of SARS-CoV-2.
The official story has been that the Covid-19 virus jumped from an animal - thought to be a pangolin - to humans at Hunan Seafood Market in Wuhan city.
From there it spread throughout the population in the densely-populated city, which is a transport hub, and then onto trains and planes and around the world within weeks.
But it could have been spreading elsewhere first, and even Chinese authorities have since admitted that the market was a 'victim' of the epidemic rather than its source.
Dr Peter Daszak, a British animal disease expert, told The Sunday Times: 'It didn't emerge in the market, it emerged somewhere else.'
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He suggested it was already spreading somewhere around the mine in rural Mojiang and then broke out in Wuhan, which has a population of 11million people.
'Fair assumption is that it spilt into animals in southern China and was then shipped in, via infected people, or animals associated with trade, to Wuhan.'   
The RaBtCoV/4991 virus appears to have caused an illness which sounds extremely similar to Covid-19, and has a genetic code 96.2 per cent matching with it.
The six men who fell ill with the virus in 2012 did so after being assigned to the mine to clear out the bat faeces - it is not clear exactly how it infected them.
But the men, who ranged in age from 30 and 63, all required intensive care treatment in hospital.   
All had high fevers, body aches and coughs, and five of them were struggling to breathe. 
All are symptoms that match those of Covid-19, and they tested negative for all the tropical diseases the doctors could think of, but two of them later tested positive in blood samples for having been infected with SARS or a SARS-like coronavirus.
The theory is the latest in a long line suggesting the possible origin of the Covid-19 virus, many of which lead back to wild bats in China.
Many scientific theories have linked Covid-19 back to bats, which commonly carry coronaviruses, and suggest that it passed through another type of animal which was taken to a busy market - possibly a pangolin (stock image of bats)
<div class="art-ins mol-factbox floatRHS news" data-version="2" id="mol-e08d1130-beb9-11ea-bb7a-f51c3b918d9c" website closest ancestor 'was found SEVEN YEARS ago in a mine'