| [importance of the confirmatory diagnosis in viral exanthematic diseases in zulia state, venezuela: a review of the problem]. | a great variety of viruses which cause exanthema share other clinical manifestations, making etiologic identification relying exclusively on clinical examination a very difficult task. the most common agents include the measles virus, rubella, dengue, varicella, cytomegalovirus, epstein barr, enteroviruses, human parvovirus b19 and type 6 human herpes virus. the fact that most these diseases are self limited represents an important challenge to the development of clinical and epidemiological res ... | 2006 | 17672290 |