游轮乘客疑在登船前已感染汉坦病毒——流行病学家称病毒潜伏期长

1. 核心事实剥离

• 事件本质：澳大利亚某游轮上发现疑似汉坦病毒病例，流行病学家Michael Baker向BBC表示感染者应在登船前已感染，因病毒潜伏期较长。 〔SRC:"Passengers would have been infected before getting on cruise, says epidemiologist — Epidemiologist Michael Baker tells the BBC passengers who had the suspected hantavirus would have been infected before they