From the CDC: new country-specific recommendations for pre-travel typhoid vaccination.
JOURNAL OF TRAVEL MEDICINE(2011)
摘要
Typhoid fever continues to be an important concern for travelers visiting many parts of the world. This communication provides updated guidance for pre-travel typhoid vaccination from the US Centers for Disease Control and Prevention (CDC) and describes the methodology for assigning country-specific recommendations.
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关键词
vaccination,typhoid
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