Problematic vaccines made by Changsheng Bio-tech – including those sold overseas – are being recalled. Photo: Choi Chi-yuk

Chinese vaccine maker found to have forged production data for over four years

Changsheng Bio-tech mixed batches of rabies shots with expired products and hadn’t correctly recorded dates or batch numbers since 2014, investigators find

Topic |   Vaccine scandal in China

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Problematic vaccines made by Changsheng Bio-tech – including those sold overseas – are being recalled. Photo: Choi Chi-yuk
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