Influenza vaccine enlisted to prevent SARS confusion.
D000367:Age Factors; D000368:Aged; D003951:Diagnostic Errors / Q000523:psychology; D006233:Persons with Disabilities; D004196:Disease Outbreaks / Q000517:prevention & control*; D006282:Health Personnel; D006723:Hong Kong / Q000453:epidemiology; D006801:Humans; D017589:Immunization Programs / Q000458:organization & administration; D007252:Influenza Vaccines / Q000600:supply & distribution / Q000627:therapeutic use*; D007251:Influenza, Human / Q000175:diagnosis / Q000453:epidemiology / Q000517:prevention & control*; D045169:Severe Acute Respiratory Syndrome / Q000175:diagnosis* / Q000453:epidemiology
D007252:Influenza Vaccines