Over all, nine have died of starvation, six were killed by vehicles, six were shot and killed and some died of unknown causes.
The climber, James Nasti, 51, of Naperville, Ill., died of unknown causes on Friday after his seven-member party reached the top of McKinley, the highest peak in North America.
The Jiaxing Daily newspaper in northern Zhejiang province quoted a villager as saying that over the past two months almost 20,000 pigs in his village have died of unknown causes.
The W.H.O. has asked China for more details of those tests and whether labs were testing samples taken from other Chinese who might have died of unknown causes.
Only seven chimpanzees naturally infected with S.I.V.cpz have been studied in captivity, and five of them died of unknown causes as infants.
Mr. Ryniak died of unknown causes and was buried on Friday at the Osobowicki cemetery in Wroclaw, the Auschwitz Museum said Wednesday.
Joyce, 38 when she died of unknown causes, was described by those who knew her as beautiful and always immaculately presented.
The average age of those who died of unknown causes was 40, while the average age of residents dying of natural causes was 54.
In 2008, tissue samples from pigs that died of unknown causes in the Philippines were analyzed and found to contain RESTV.
Her life, too, seemed to be closing in, she said, as a daughter died of a heart attack, a brother-in-law died of a brain tumor, and her husband died of unknown causes, all in about three years.
The government will spend about $40 million a year on the program to test some 50,000 cows over the age of 2 that die of unknown causes or exhibit odd behavior.
