Chapter 322: This needle cannot be removed!

The Fourth Hospital, emergency hall.
More than a dozen poisoned guests were sent here. The hall was instantly overcrowded. The emergency department was short-staffed, so Director Zhou asked people to transfer people from other departments.
"Xiaochun, what's going on? There are so many people." Director Zhou asked a female doctor who had just got off the ambulance.
"In a food stall, half of the people were poisoned. Although the other half showed no signs of poisoning for the time being,...