But autopsies were still needed to confirm the cause of eight of the deaths, Xinhua quoted Yu as saying/FILE
An investigation into the deaths, reported between December 13 and 31, has found no evidence that they were caused by the vaccine, the official Xinhua news agency said, citing Yu Jingjin, director of the disease control bureau of the National Health and Family Planning Commission.
But autopsies were still needed to confirm the cause of eight of the deaths, Xinhua quoted Yu as saying.
Reports of the deaths had sparked widespread public concerns after a series of food and health and safety scandals in recent years, largely due to lax and corrupt supervision and law enforcement.
No problems had been detected with the vaccine involved, which was manufactured by domestic producer BioKangtai, Xinhua quoted Li Guoqing, an official with the Food and Drug Administration, as saying.
Authorities have halted the use of BioKangtai’s hepatitis B vaccines while they investigate the issue.
Previous reports in the Chinese media said more than 44 million doses of the drug were in stock or had been sold to 27 provinces and regions across the country.
Output at BioKangtai and two other Chinese vaccine manufacturers has been suspended since Wednesday because they failed to pass certification standards by a deadline of December 31, Xinhua added.
Hepatitis B vaccine is one of around 10 free but compulsory inoculations for most children in China. It is injected within 24 hours of birth, with further doses at one and six months.
Past health and food safety scandals in China have caused intense public anger.
In 2008, six children were killed and thousands of others sickened by tainted baby formula.
Zheng Xiaoyu, former head of China’s food and drug safety watchdog, was executed in 2007 for accepting $850,000 in bribes for granting approvals for hundreds of medicines, some of which were later found to be dangerous.
Chinese authorities were accused of covering up the outbreak of Severe Acute Respiratory Syndrome (SARS) in 2003 that killed hundreds of people around the world, but the World Health Organization has more recently praised their openness over bird flu.
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