What Are Some Key Facts About Roseola in Adults?

Adults with weak immune systems, such as the elderly and those undergoing chemotherapy treatments or recent transplants, are more susceptible to contracting the virus, notes Drugs.com. The virus can reactivate in those with compromised immune systems, reports the Annual Review of Medicine.

Roseola has the potential of causing serious complications in adults. Pneumonia or encephalitis can occur, according to Drugs.com. Meningoencephalitis and hepatitis are other complications, notes CHealth.