Disease, Who | featured news

More than 50 percent of patients infected with a new type of bird flu in China had no contact with poultry, the World Health Organization said on Friday, further raising questions about whether the virus was transmitted between humans.

A strain of bird flu that has been found in humans for the first time in eastern China is not a cause for panic, the World Health Organization said on Monday, as the number of people infected rose to 21, with six deaths.

The World Health Organization said Monday it is too soon to say whether there could be an outbreak of a SARS-like killer respiratory disease after health officials in Britain announced they detected a related virus in a severely ill patient from the Middle East.

Health officials in Cambodia are searching for the cause of a mystery disease that has killed more than 60 children over the past three months, the World Health Organization said Thursday.