Chapter 367

"How could this happen?" Seeing Vivian like this, Sally felt extremely uncomfortable in her heart. "I don't have any symptoms, nor do my colleagues. We haven't felt any physical discomfort for the time being."

Vivian nodded. "That's good. It may be because you wore masks at the time and didn't directly inhale those gases. I don't know if those students had any issues. The classroom was sealed at the time. Before the items were taken out by the special police, they may ...