Hoʻolālā ʻia ka pahu no ka ʻike qualitative o nā antibodies IgM i ʻeiwa mau pathogens nui o nā maʻi maʻi hanu i loko o ka serum kanaka a i ʻole ka plasma.ʻO nā pathogens hiki ke ʻike ʻia: Mycoplasma Pneumonia, Chlamydia Pneumonia, Influenza A, Influenza B, Parainfluenza Virus Type 1, 2 a me 3, Respiratory Syncytial Virus, Adenovirus, Coxsackievirus Group B a me Legionella Pneumophila Serum Type 1.