Skin problems are common with children as their skin is sensitive. They are prone to viral diseases. While some are known to parents, certain diseases are lesser-known, fifth disease or slapped cheek syndrome is one of them. It is a viral illness that causes rashes on the skin mainly cheeks. It is common but mild in children. Adults and pregnant women may also get this disease is they have a compromised immune system.
Ref: Onlymyhealth