Zidazi zimapangidwira kuzindikira kwamtundu wa ma antibodies a IgM ku tizilombo toyambitsa matenda asanu ndi anayi a matenda amtundu wa kupuma mu seramu yamunthu kapena plasma.Tizilombo todziwikiratu timaphatikizapo: Mycoplasma Pneumonia, Chlamydia Pneumonia, Influenza A, Influenza B, Parainfluenza Virus Type 1, 2 ndi 3, Respiratory Syncytial Virus, Adenovirus, Coxsackievirus Gulu B ndi Legionella Pneumophila Serum Type 1.