偶尔能听见几句如何医治龙痘疮的建议，有时听见几小节《一锅火热的爱》。
Occasionally they would catch snatches of advice on how to treat dragon pox, and once a few bars of "a Cauldron Full of Hot Strong Love."
2009年，由他们手指上采集的痘疮样品被单独送到疾病防控中心进行分析。
Samples from their fingers were sent independently to the Centers for Disease Control and Prevention in 2009 for analysis.
在古代，痘疮是很难被治愈的。
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