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The Chinese authorities have published more details on how Changchun Changsheng, a vaccine producer at the center of the worst public health crisis in China for years, had used outdated materials and conducted experiments on mice in China. bad time.
The company, whose pharmaceutical authorities found that it had manufactured vaccines against rabies and DTP (diphtheria, whooping cough and tetanus), also revealed Friday a survey team citing a team of # 39; investigation.
Central government investigators were ordered to begin the examination of the case at the beginning of the week in an attempt to appease public anger.
"The company failed to organize production according to prescribed production procedures in order to reduce costs and improve the success rate of rabies vaccine manufacturing", states the Xinhua report
. Normally a batch of vaccines should be manufactured continuously, but the investigation revealed that the pharmaceutical company had violated this principle.
The investigation, which focused on the rabies vaccine, revealed that Changsheng had mixed active ingredients manufactured at different times. the final product
Some of the batches used had expired, others were mixed together and then re-extracted and purified.
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Experiments on mice, which should be done after the production process is over, were conducted during the manufacture of active ingredients at the place, he added.
To conceal these violations, the company invented the production and trials rec The report indicated however that only 0.002% of people who received a rabies vaccine produced by the company had experienced untoward effects, and The company said it produced about 3.5 million rabies vaccines last year.
Last year, 516 cases of people were infected with rabies, a drop the previous year, the report added.
Health authorities have already said that the vaccines involved in the scandal were of limited effectiveness, but not harmful.
Tao Lina, vaccine expert based in Shanghai He said it was "crazy" that the company cut corners to save money, but the vaccines could still have an effect.
"Receiving these vaccines, it's like eating food cooked by gutter oil -"
The illegal production of Changsheng rabies vaccines has emerged as a result of. an unannounced inspection earlier this month by state drug authorities
The Chinese authorities in Changsheng and Wuhan (WIBP) produced more than 650,000 low-quality DTC vaccines, most of which were given to children aged three months in the provinces of Chongqing, Hebei and Shandong.
It is still unclear how the other company, WIBP, a state-owned enterprise, was punished.
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A statement from the Wuhan Municipal Food and Drug Administration website said that the company had been fined and that all its revenue from problematic vaccines had been confiscated without disclosing the amount. Police arrested 15 executives and employees of Changsheng based in Jilin, including its president Gao Junfang.
Listed in Shenzhen, the company runs a growing risk of being written off after the Chinese stock exchange authorities have changed the rules of delisting the stock market.
According to a directive that took effect Friday, the violation of public health regulations could be grounds for delisting from a limited liability company.
The company could not be reached for comment.
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