Cancer is a complex disease that can develop in any part of the body.

Whooping cough (pertussis) is a highly infectious disease that is spread by coughing and sneezing.

Mumps is a contagious viral infection that primarily affects the salivary glands, causing swelling and tenderness.

Meningococcal disease is a bacterial infection that causes two very serious illnesses

Measles is a highly contagious disease that can be life-threatening.

Having a sore throat is very common. The discomfort can range from a scratchy feeling to severe pain.

Diabetes is a chronic condition characterized by high blood sugar levels.