Hepatitis A is a contagious condition that is no laughing matter. Easily passed along by a person's mouth coming into contact with the infected cells of somebody else, it's a particularly infectious disease with a laundry list of symptoms. These include (but are not limited to): jaundice (yellowing of the skin or eyes), dark-colored urine, fatigue, abdominal pain, loss of appetite, nausea, diarrhea, and fever.
Hepatitis A is fortunately easily preventable thanks to existing vaccinations that have been around for some time. However, with the recent rise in parents electing not to vaccinate their children, the disease is one of many that has been making something of a notable comeback.
Case and point: the state of Kentucky recently experienced a substantial increase in the amount of children discovered to be infected with the disease. While a number of factors could be contributing to this, ultimately it's lead to some pretty decisive action on the part of the state.
Effective as of 2018, all children in the state of Kentucky have to be vaccinated for Hepatitis A before they enter kindergarten...