Objective To understand the condition of mixed infection of non-bacterium pathogens in the patients with acute respiratory infection(ARI) for preventing misdiagnosis and maltreatment of ARI.

• 目的 了解急性呼吸道感染 (ARI)非细菌性多病原体混合感染的情况 ,为预防误诊误治 ARI提供客观依据。