WHO voices deep concern over spread of SARS-like virus

The World Health Organization voiced deep concern Thursday over the SARS-like virus that has killed 22 people in less than a year, saying it might potentially spread more widely between humans.

"We have a high level of concern over the potential... for this virus to have sustainable person-to-person spread," WHO deputy chief Keiji Fukuda told diplomats gathered in Geneva for the , the UN agency's decision-making body.

There has already been evidence of limited transmission between humans, and last week the WHO said two Saudi health workers had contracted the deadly coronavirus from patients—the first evidence of transmission in a hospital setting.

But Fukuda said the WHO was looking into "whether this has the potential to have a more extensive spread, more extensive transmission."

Given the high relative to the number of cases, experts have highlighted the power of the virus and the frightening prospect of its mutating into a form that leaps easily from human to human.

Fukuda's comments came after Saudi Arabia on Wednesday said another person had died from the virus. With a total death toll of 17, it has been the hardest hit by the disease that first emerged last June.

So far, there have been 44 lab-confirmed cases worldwide, half of them fatal, with 30 infections in Saudi Arabia and the rest spread across Jordan, Qatar, Tunisia, the , Germany, Britain and France.

Most of the patients infected in Europe and Tunisia had links to or had travelled in the Middle East.

The WHO said Thursday the virus, which until now has been known as the novel coronavirus, or nCoV-EMC, had been redubbed the Middle East Respiratory Syndrome (MERS CoV).

The virus is a cousin of (SARS), which triggered a scare 10 years ago when it erupted in east Asia, leaping to humans from animal hosts and eventually killing some 800 people.

Like SARS, the appears to cause an infection deep in the lungs, with patients suffering from a temperature, cough and breathing difficulty, but it differs from SARS in that it also causes rapid kidney failure.

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