Roseola natural history, complications and prognosis: Difference between revisions

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Revision as of 19:39, 23 May 2017

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:

@@ Line 9: / Line 9: @@
 ==Natural history, complications and prognosis==
-===Natural history===
-HHV-6 infection is usually acquired early in life, between 6 months and 2 years of age, following the loss of protective maternal antibodies. Primary infection can also happen in adults.
-HHV 6 infection has 3 phases: first is represented by acute primary infection in infants. The second occurs in healthy children and adults; the virus replicates in the salivary glands and is secreted in saliva (for HHV-6B) without inducing any obvious pathology, remains latent at least in lymphocytes and monocytes, and persists in various tissues, possibly with a low-level replication. The third stage occurs infrequently, typically in immunocompromised persons, and is linked to reactivation of virus from latency or reinfection.
-===Complications===
-central nervous system (CNS) with seizures, hyperpyrexia, vomiting, diarrhea, cough, emophagocytic syndrome, fulminant hepatitis, disseminated infection, and hepatosplenomegaly.
 ===Prognosis===