The deadly African swine fever has reached Europe, with the continent's second largest pig farm infected.
The bitter news for pig farmers comes just days after China slaughtered thousands of pigs to curb its spread.  The virus has contaminated a farm in Romania with 135,000 pigs.
Gicu Dragan from the Bucharest Institute for Diagnosis and Animal Health told local media that thousands of pigs are now being killed.
He said: "The Bucharest diagnostics and the Animal Health Institute confirmed the existence of the African swine fever virus in TEBU Consult, the second largest farm in Europe with 135,000 animals
"I sent the samples to the National Reference Laboratory on Friday morning and the results confirmed the existence of the virus, and on Monday we will go to the euthanasia of the pigs on this farm.  "I think the animals are affected by the Danube water and the farms are supplied with water from the Danube."
The deadly disease is transmitted through ticks and direct contact, but can also spread through contaminated food. There is no vaccine.
The burden in China is similar to one In the last decade A senior veterinarian from the Food and Agriculture Organization of the United Nations (FAO) spreads throughout Russia, Georgia and Estonia.
The Swine Health Information Center said: "The robustness of this virus along with the fact that the whole pig and faeces and saliva can make these jumps over long distances possible."
Authorities in eastern Zhejiang Province said they Slaughtering 1,332 pigs and sealing an area within 1.8 miles would be from pig farming in the city of Yueqing, where the outbreak was discovered.
Around 25,000 pigs were killed in China to stop the spread of the disease. The moving of the animals was also prohibited as some live pig trading markets were closed.