| infection and immunity for human parvovirus b19 in patients with febrile exanthema. | summarythe contribution of parvovirus b19 (b19v) as a causative agent of febrile exanthema (fe) in cordoba, argentina, was analysed by detection of viral dna, and specific igm and igg. serum from 141 patients with fe who were negative for measles and rubella, collected during 2005-2009, plus serum from 31 healthy individuals, were assayed. b19v was the aetiological agent in 14-à9% of all fe cases, and in 39-à1% in an epidemic year (2007). b19v dna was detected in 47-à6% of igm-positive fe patien ... | 2011 | 21676356 |