Results After the analysis of multiple factors,the dangerous factors were puisne,often rheum,chronic respiratory disease history,bad healthy and so on.

• 结果多因素分析显示,低年龄段、经常感冒,有慢性呼吸系统疾病史和个人健康状况差,是个人好发急性呼吸道感染的危险因素。