People infected with the plague usually experience flu-like symptoms including fever, chills, muscle aches, vomiting and nausea, after an incubation period of 3-7 days.

• 鼠疫感染者通常会有3到7天的潜伏期，之后有类似流感的症状，包括发烧，寒战，肌肉疼痛，呕吐和感到恶心。