Hepatitis A is a major health concern throughout the world. Its impact has largely been limited in recent times by the large-scale use of vaccines. It is, howev

The global epidemic of hepatitis B and C is a serious public health problem. Hepatitis B and C are the major causes of chronic liver disease and liver cancer in

In 1900, for every 1,000 babies born in the United States, 100 would die before their first birthday, often due to infectious diseases. Today, vaccines exist fo