impact of human coronavirus infections in otherwise healthy children who attended an emergency department. | this prospective clinical and virological study of 2,060 otherwise healthy children aged <15 years of age (1,112 males; mean age +/- sd, 3.46 +/- 3.30 years) who attended the emergency department of milan university's institute of pediatrics because of an acute disease excluding trauma during the winter season 2003-2004 was designed to compare the prevalence and clinical importance of human coronaviruses (hcovs) in children. real-time polymerase chain reaction (pcr) in nasopharyngeal aspirates r ... | 2006 | 17063525 |