Cancer is a broad term used to describe a group of diseases characterized by the uncontrolled growth and spread of abnormal cells in the body.

The Centers for Disease Control and Prevention (CDC) is a national public health agency in the United States.

Hepatitis is an inflammatory disease of the liver, characterized by the presence of inflammatory cells in the liver tissue.

Malaria is a mosquito-borne infectious disease that is caused by single-celled parasites of the Plasmodium group.

Measles is a highly contagious viral infection caused by the measles virus.

Meningococcal disease, also known as meningitis, is an infection caused by the bacterium Neisseria meningitidis.

Mycobacterium tuberculosis, commonly known as tuberculosis (TB), is a bacterium that causes the infectious disease tuberculosis.