“Primary Atypical Pneumonia” kalma ce ta likitanci da ke nufin wani nau’in ciwon huhu, wato kamuwa da huhu wanda wasu kwayoyin cuta ke haifar da su, wadanda suka hada da kwayoyin cuta, Virus, da fungi. “Primary” a cikin wannan mahallin yana nufin cewa irin wannan nau’in ciwon huhu yakan auku ne da kansa, ba tare da wani yanayi na rashin lafiya ba. na hankulan kwayoyin cutar pneumonia, wanda zai iya sa ya yi wahala a gano shi.Saboda haka, "Primary Atypical Pneumonia" wani nau'in ciwon huhu ne wanda wasu nau'in kwayoyin cuta ko ƙwayoyin cuta ke haifar da shi kuma yana da alamun bayyanar cututtuka kamar su. zazzaɓi, ciwon kai, da tari, amma maiyuwa ba zai kasance tare da alamu da alamun cutar huhu ba, kamar ciwon ƙirji da wahalar numfashi. Har ila yau, a wasu lokuta ana kiranta da "tafiya mai ciwon huhu" saboda masu irin wannan nau'in ciwon huhu suna iya ci gaba da ayyukansu na yau da kullum.