Cov khoom siv yog npaj rau kev tshawb nrhiav cov tshuaj tiv thaiv IgM hauv tib neeg cov ntshav tawm tsam ntau yam kab mob uas ua rau muaj kab mob ua pa.Nws yog tshwj xeeb rau Mycoplasma Pneumonia, Chlamydia Pneumonia, Respiratory Syncytial Virus, Adenovirus, thiab Coxsackievirus Group B.
