Virus identified a type of coronavirus family of viruses from the usual flu triggers, including SARS, acute respiratory syndrome has caused 800 deaths, mostly in Asia, in 2003.
Men from Qatar has previously been reported recently traveled to Saudi Arabia during Ramadan. She is currently being treated in London after suffering kidney failure.
WHO explains, the type of guy Qatar virus was identical to viruses from Saudi Arabian men who died. The World Health Organization is still investigating the origin and spread of the virus is not necessary to declare a warning (travel warning).
The situation has received high attention from WHO because October is the start of the pilgrimage season that will bring millions of people from around the world to Saudi Arabia.
Health officials claimed not to know whether the virus will spread widely as SARS or not. SARS, which was first transmitted from cats to humans in China, spread to Hong Kong and then spread to 30 countries.
"The virus in Saudi Arabia is still very early. At this time we only found two cases of sporadic and a lot of unknowns," said Gregory Hartl, the WHO spokesman.
He added, how the spread of the virus is also unknown. Spread Coronavirus usually through the air, but scientists have suspected the two patients were infected directly from the animal. So far there has been no evidence of transmission between humans.
In addition to the Saudi Arabia, there is currently no other countries reported to WHO virus. Cases of serious respiratory tract infections in Saudi Arabia is also reportedly not too much in the last three months.
"Unlike SARS quickly infect health workers who are in the hospital, the new virus is not likely," said Professor John Oxford, virologist from London.
Saudi Arabia alone officials said they would try to prevent the spread of the virus during the Haj season lasts. The haj pilgrims are advised to keep your hands and wear masks in public places.
At the Haj season is often the case, including spread pandemic influenza, meningitis, and polio.
Tips: The use of masks and hand hygiene is one way to prevent transmission of the flu virus.