Smallpox, chickenpox, cowpox, and monkeypox are all “pox” diseases, referring to skin infections with eruptive sores. But chickenpox is different from the others caused by orthopoxviruses ...
Fifth disease, or erythema infectiosum, is a contagious viral infection best known for causing a blotchy red rash on the cheeks. As a result, it's sometimes referred to as "slapped cheek disease." ...