Ikiti yenzelwe ukufunyaniswa okusemgangathweni kwee-antibodies ze-IgM kwii-pathogens eziphambili ezisithoba zosulelo lwephecana lokuphefumla kwiserum yabantu okanye kwiplasma.Iintsholongwane ezichongiweyo ziquka: I-Mycoplasma Pneumonia, i-Chlamydia Pneumonia, i-Influenza A, i-Influenza B, i-Parainfluenza Virus Type 1, i-2 kunye ne-3, i-Respiratory Syncytial Virus, i-Adenovirus, i-Coxsackievirus yeQela B kunye ne-Legionella Pneumophila Serum Type 1.