This is the latest in a string of food and drug safety scandals in a country where parents often import products for infants and babies from overseas to ensure quality. Many remember with fear the 2008 milk powder scandal, in which infant formula laced with melamine(三聚氰胺)caused at least six deaths and 300,000 children to fall ill.
Beijing last month made public an illegal operation in eastern Shandong province in which a hospital pharmacist and her daughter traded $88m in vaccines that may have been compromised because they were expired or improperly stored or transported.
The China Food and Drug Administration said, however, that the vaccines posed no greater than the normal risk to patients. “We don’t see that the vaccines’ effectiveness has been reduced,” added the health watchdog in a report.
Nonetheless, health officials fear a backlash against Chinese-manufactured vaccines, which already have a reputation for being more dangerous than those made overseas.
Wang Yuedan, deputy director of Peking University’s immunology department, said the key to evaluating risks is to check whether package seals are broken or for pollution with micro-organisms. “The vaccines in the Shandong case don’t have those problems,” he said.
Those vaccines had been subject to higher than normal temperatures that could have lowered their effectiveness and reduced their protective value. But the official investigation showed the vaccines “are still effective”, he said.
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