| frequency and natural history of rhinovirus infections in adults during autumn. | human rhinovirus (hrv) accounts for a significant portion of common-cold illness, with the peak incidence being in the early fall. three hundred forty-six adults who had self-diagnosed colds of 48 h or less were enrolled in a study during september and october 1994 to determine the frequency and clinical course of hrv infections. nasal wash specimens for viral culture and reverse transcription-pcr (rt-pcr) for hrv rna and human coronavirus oc43 and 229e rna detection were collected on enrollment ... | 1997 | 9350748 |