Since Hong Kong began vaccinating the public with the China’s domestically-produced Sinovac COVID-19 vaccine, CoronaVac, on Feb. 26, three deaths in nine days have increased anxiety about the vaccine’s safety. On March 8, a 71-year-old man in Hong Kong died four days after receiving his vaccine shot. The patient was reported to be in good health before the vaccination. This was the third death in Hong Kong following a CoronaVac injection. It’s unclear whether the vaccine contributed to the deaths. Authorities have said they are investigating the causes of death. The first known death in Hong Kong occurred on Feb. 28. A 63-year-old man passed away two days after his shot. On March 6, a 55-year-old woman died four days after her vaccination. Both had underlying health conditions. Ronald Lam, the controller of the Center for Health Protection, said that as of 4 p.m. on March 7, there were a …