India, Feb. 11 -- The authorities in China have officially charged AstraZeneca's former regional head, Leon Wang, for medical insurance fraud, among other charges.

Wang was detained by Chinese authorities more than a year ago in connection with probes into AstraZeneca's business.

The drugmaker confirmed Wang's indictment on Wednesday, a day after disclosing that Chinese prosecutors had charged a former executive vice president and a former senior employee in November, without naming them, according to a report by news agency Reuters.

The company had on Tuesday said that the two executives were charged with "unlawful collection of personal information, illegal trade and medical insurance fraud,".

AstraZeneca's shares sharply fell after...