| laboratory diagnosis and surveillance of human respiratory viruses by pcr in victoria, australia, 2002-2003. | respiratory viruses were identified by the polymerase chain reaction (pcr) in more than 4,200 specimens collected during 2002 and 2003 in victoria, australia from patients admitted to hospitals or participating in an influenza surveillance program. influenza viruses and picornaviruses were important causes of morbidity in both years. additional testing of picornavirus-positive samples suggested that rhinoviruses but not enteroviruses were more likely to be associated with respiratory symptoms, i ... | 2005 | 15543580 |
| community epidemiology of human metapneumovirus, human coronavirus nl63, and other respiratory viruses in healthy preschool-aged children using parent-collected specimens. | the purpose of this work was to assess the impact of recently described human metapneumovirus and human coronavirus nl63 compared with other respiratory viruses by using sensitive molecular techniques in a cohort of healthy preschool-aged children. we also aimed to assess the use of parent collection to obtain an adequate respiratory specimen from acutely unwell children in the community. | 2007 | 17875651 |