CDC Human Coronavirus Types Information about the six types of coronaviruses get infected with human coronaviruses E, NL, OC, and HKU..In , a new human coronavirus, HCoV HKU, was identified in Hong Kong. We screened respiratory specimens collected from December .We have recently described the discovery of a novel coronavirus, coronavirus HKU CoV HKU , associated with community acquired pneumonia. However .Human coronaviruses CoV have been long recognized as a common cause of respiratory tract disease including severe respiratory tract illness. Coronavirus HKU has been described predominantly among children less than years of age in the United States with few stu.s characterizing the disease spectrum among adults..Coronaviruses belong to the subfamily Coronavirinae in the family alpha coronavirus OC beta coronavirus HKU beta coronavirus ..Human coronavirus HKU HCoV HKU is a positive sense, single stranded RNA virus with the HE gene, which distinguishes it as a group , .Characterization and complete genome sequence of a novel coronavirus, coronavirus HKU, from patients with pneumonia. J Virol .Culturing the Unculturable Human Coronavirus HKU Infects, Replicates, and Produces Progeny Virions in Human Ciliated Airway Epithelial Cell Cultures..A new report reveals the incidence of coronavirus infections among a series of patients in Cleveland with respiratory infections..