An Abbott Laboratories sales staff checks the serial number of a powder milk tin during a production recall at a milk shop outside Hanoi August 6, 2013. China's consumer quality body said it ordered a recall of two batches of milk formula brands marketed by Abbott Laboratories, a day after some of the U.S. healthcare company's products were recalled in Vietnam. Abbot said the move was a precautionary measure after some of its milk formula brands, which did not contain whey protein concentrate sourced from Fonterra, were packaged in the Fonterra facility. REUTERS/Kham (VIETNAM - Tags: BUSINESS FOOD HEALTH) 

A woman browses for milk powder at a stand with a food recall notice from Nutricia in a supermarket in Huntly, Waikato Region in New Zealand August 6, 2013. Nutricia, a Danone subsidiary which manufactures the Karicare brand, announced a blanket ban on two of its infant products in New Zealand late on Monday. Nutricia is supplied by dairy giant Fonterra, which is at the centre of a widening contamination scare involving whey protein products containing a bacteria which can potentially cause botulism. REUTERS/Nigel Marple (NEW ZEALAND - Tags: FOOD BUSINESS HEALTH TPX IMAGES OF THE DAY) 

A Fonterra milk tanker arrives to Fonterra's Te Rapa plant near Hamilton August 6, 2013. Dairy giant Fonterra was hit by fresh infant formula recalls in China and Hong Kong on Tuesday, while New Zealand's government fretted that the widening contamination scare would prompt China to extend a ban on whey protein powder to other dairy products. REUTERS/Nigel Marple (NEW ZEALAND - Tags: FOOD BUSINESS HEALTH) 

A customer shops in an aisle stocked with Nutricia milk powder products in a supermarket in Auckland August 6, 2013. Nutricia, a Danone subsidiary which manufactures the Karicare brand, announced a blanket ban on two of its infant products in New Zealand late on Monday. Nutricia is supplied by dairy giant Fonterra, which is at the centre of a widening contamination scare involving whey protein products containing a bacteria which can potentially cause botulism. REUTERS/Nigel Marple (NEW ZEALAND - Tags: FOOD BUSINESS HEALTH) 

A Fonterra milk tanker arrives to Fonterra's Te Rapa plant near Hamilton August 6, 2013. Dairy giant Fonterra was hit by fresh infant formula recalls in China and Hong Kong on Tuesday, while New Zealand's government fretted that the widening contamination scare would prompt China to extend a ban on whey protein powder to other dairy products. REUTERS/Nigel Marple (NEW ZEALAND - Tags: FOOD BUSINESS HEALTH) 

A sales assistant takes down Dumex milk powder products from shelves, which were included in a recall program by Fonterra, at a supermarket in Taiyuan, Shanxi province August 5, 2013. Dairy giant Fonterra was hit by fresh infant formula recalls in China and Hong Kong on Tuesday, while New Zealand's government fretted that the widening contamination scare would prompt China to extend a ban on whey protein powder to other dairy products. Dumex Baby Food Co Ltd, a subsidiary of France's Danone, told Fonterra that 12 batches could have been affected. Picture taken August 5, 2013. REUTERS/Stringer (CHINA - Tags: FOOD BUSINESS) 

A sample of minced meat is placed on a spoon in the food control laboratory institute Eurofins in Ebersberg, eastward of Munich February 18, 2013. The samples of minced meat are tested for the presence of horse meat as a precaution. REUTERS/Michaela Rehle (GERMANY - Tags: AGRICULTURE BUSINESS FOOD POLITICS) 

A woman walks past electric bikes sitting outside a McDonalds fast-food outlet in central Beijing March 20, 2012. China's State Food and Drug Administration
said that "All McDonald's (China) outlets must seriously carry out a full investigation on themselves in accordance with the demands of food safety laws and regulations for the food and beverage industry," after a state television report found one Beijing outlet to be selling food past it expiry date. REUTERS/David Gray (CHINA - Tags: FOOD HEALTH SOCIETY) 

GERMANY-ECOLI/UPDATE - Map of Europe detailing nations effected by a E. coli outbreak. RNGS. (SIN01) 

Farmers hold a banner which reads "Against genetic engineering and dioxin in our food" after they placed pigs in front of the Chancellery during a protest in Berlin January 19, 2011. Farmers protest against the animal feed production after a health alert following the discovery of the highly toxic chemical dioxin in feed. REUTERS/Fabrizio Bensch (GERMANY - Tags: POLITICS FOOD) 

Pigs are pictured in front of the Chancellery during a protest in Berlin January 19, 2011. Farmers protest against the animal feed production after a health alert following the discovery of the highly toxic chemical dioxin in feed. REUTERS/Fabrizio Bensch (GERMANY - Tags: POLITICS FOOD CIVIL UNREST) 

Chicken dolls are pictured as 'Campact!' environmental activists perform a protest in Berlin January 18, 2011. German Agriculture Minister Ilse Aigner is holding a meeting with the Germany's federal states agriculture ministers to discuss her action plan to enforce higher standards in animal feed production after a health alert following the discovery of the highly toxic chemical dioxin in feed. The banner reads "Stop agricultural factories". REUTERS/Fabrizio Bensch (GERMANY - Tags: POLITICS FOOD CIVIL UNREST) 

'Campact!' environmental activists perform with mock-up chicken during a protest in Berlin January 18, 2011. German Agriculture Minister Ilse Aigner is holding a meeting with the Germany's federal states agriculture ministers to discuss her action plan to enforce higher standards in animal feed production after a health alert following the discovery of the highly toxic chemical dioxin in feed. REUTERS/Fabrizio Bensch (GERMANY - Tags: POLITICS FOOD CIVIL UNREST) 

Pigs are pictured at an ecological pig farm in Germering west of Munich, southern Germany, January 12, 2011. German authorities said on Tuesday the highly toxic chemical dioxin had been discovered in pork in addition to poultry products, which would expand the range of a current health alert. German and European Union authorities are dealing with an alert that began on January 3, when German officials said dioxin-tainted feed had been fed to hens and pigs, contaminating eggs and poultry meat at the affected farms. REUTERS/Michaela Rehle (GERMANY - Tags: ANIMALS HEALTH SOCIETY) 

GERMANY-DIOXIN/ - Map locating German provinces which have experienced dioxin contamination in poultry feed and eggs. Includes factbox on dangers of dioxin. (SIN01) 

A woman, whose child died from drinking tainted milk, holds a sign reading "Give me back my child" outside Shijiazhuang Intermediate People's Court, Hebei province January 22, 2009. Families hit by China's toxic milk scandal demanded revenge, compensation and plain answers on Thursday as they awaited the sentencing of company executives accused of wrongdoing. REUTERS/Jason Lee (CHINA) 

A woman (C), whose granddaughter died during a tainted milk scandal, cries outside Shijiazhuang Intermediate People's Court in Shijiazhuang, Hebei province, January 22, 2009. The court is set to sentence 21 defendants implicated in the scandal Thursday afternoon. REUTERS/Jason Lee (CHINA) 

A woman (C), whose granddaughter died from drinking tainted milk, cries outside Shijiazhuang Intermediate People's Court in Shijiazhuang, Hebei province, January 22, 2009. Families hit by China's toxic milk scandal demanded revenge, compensation and plain answers on Thursday as they awaited the sentencing of company executives accused of wrongdoing. REUTERS/Jason Lee (CHINA) 

A Chinese woman crouches as she breastfeeds her child along a street in central Beijing October 30, 2008. China began reviewing a tougher draft food safety law late last week following criticism from the United Nations over its sluggish response to the health scandal in which milk formula was adulterated with melamine, leaving four children dead and more than 3,000 children in Chinese hospitals. REUTERS/David Gray (CHINA) 

A vendor removes rotten oranges from a pile of oranges put up for sale at a market in Hefei, Anhui province, October 27, 2008. A pest outbreak in the tangerines in southwest China's Sichuan Province has been contained despite a brief period of panic it caused among the public. The pest, tetradacus citri, occurred to tangerine crops in the Wangcang County of the Guangyuan City in Sichuan around September 22, said Mou Jinyi, an engineer of the provincial agriculture department, Xinhua News Agency reported last week. REUTERS/Jianan Yu (CHINA) 

A wholesaler displays eggs from mainland China at a wholesale market in Hong Kong October 27, 2008. Hong Kong, a city in southern China, has asked Beijing to investigate how melamine, an industrial chemical found in tainted milk formula, turned up in Chinese chicken eggs, newspapers said on Monday. REUTERS/Bobby Yip (CHINA) 

A wholesaler displays eggs from mainland China at a wholesale market in Hong Kong October 27, 2008. Hong Kong, a city in southern China, has asked Beijing to investigate how melamine, an industrial chemical found in tainted milk formula, turned up in Chinese chicken eggs, newspapers said on Monday. REUTERS/Bobby Yip (CHINA) 

Eggs from mainland China are seen at a wholesale market in Hong Kong October 27, 2008. Hong Kong, a city in southern China, has asked Beijing to investigate how melamine, an industrial chemical found in tainted milk formula, turned up in Chinese chicken eggs, newspapers said on Monday. REUTERS/Bobby Yip (CHINA) 

Eggs from mainland China are seen at a wholesale market in Hong Kong October 27, 2008. Hong Kong, a city in southern China, has asked Beijing to investigate how melamine, an industrial chemical found in tainted milk formula, turned up in Chinese chicken eggs, newspapers said on Monday. REUTERS/Bobby Yip (CHINA) 

A worker destroys unmarketable oranges at a market in Hefei, Anhui province, October 27, 2008. A pest outbreak in the tangerines in southwest China's Sichuan Province has been contained despite a brief period of panic it caused among the public. The pest, tetradacus citri, occurred to tangerine crops in the Wangcang County of the Guangyuan City in Sichuan around September 22, said Mou Jinyi, an engineer of the provincial agriculture department, Xinhua News Agency reported last week. REUTERS/Jianan Yu (CHINA) 

A man removes cans of unsweetened "Mali" condensed milk from a shelf at a supermarket in Bangkok on October 16,2008. Thailand's Food and Drug Administration confirmed on Thursday it had found "very high" levels of melamine in a sample of unsweetened condensed milk produced and sold in the country. REUTERS/Sukree Sukplang (THAILAND) 

A food safety analyst conducts testing of China-made milk products at the Bureau of Food and Drugs (BFAD) office in Alabang, south of Manila October 2, 2008. The Philippine government has slapped a ban on Chinese dairy products after thousands of babies in China fell ill from drinking tainted milk formula. BFAD is expected to release the test results on Friday. REUTERS/Romeo Ranoco (PHILIPPINES) 

Food safety analysts conduct testing of China-made milk products at the Bureau of Food and Drugs (BFAD) office in Alabang, south of Manila October 2, 2008. The Philippine government has slapped a ban on Chinese dairy products after thousands of babies in China fell ill from drinking tainted milk formula. BFAD is expected to release the test results on Friday. REUTERS/Romeo Ranoco (PHILIPPINES) 

A mother pays for the health check of her baby at a hospital where children are brought in for urgent health checks in Hong Kong September 22, 2008. Hong Kong supermarkets pulled some milk powder products from their shelves on Sunday and a 3-year-old girl was found to have a kidney stone after drinking tainted milk - the territory's first suspected victim of a health scare sweeping China. REUTERS/Bobby Yip (CHINA) 

People wait with their children, who will be undergoing medical checks for possible kidney stones at a hospital in Nanjing, Jiangsu province, September 18, 2008. China has vowed to overhaul its "chaotic" dairy industry in the wake of a toxic milk scandal that has killed three infants and made thousands more ill, as worried parents flocked to hospitals to have their children examined. REUTERS/Sean Yong (CHINA) 

A child who suffered from kidney stones receives medical treatment at a hospital in Hefei, Anhui province September 15, 2008. Chinese officials failed to recall contaminated milk formula linked to the sickness of more than 400 babies and at least one death when asked by dairy giant Fonterra, New Zealand Prime Minister Helen Clark said on Monday. REUTERS/Jianan Yu (CHINA)