Adults can also become infected with the virus and develop fifth disease. Adults tend to have a more severe flu-like illness, but seldom develop the rash. Adults.
Fifth disease is a mild rash illness caused by parvovirus B19. It is more common in children than adults. A person usually gets sick with fifth disease within four to .
Fifth disease is usually a mild illness that resolves on its own among children and adults who are otherwise healthy. Joint pain and swelling in adults also.