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Statistics of Infectious Disease

The following statistics are the latest available from the National Center for Health Statistics (part of the CDC) and the National Foundation of Infectious Diseases:

  • The CDC estimates that 17,000 new cases of hepatitis A occurred in the U.S. in 2010.

  • In the U.S., it is estimated that 800,000 to 1.4 million people have chronic hepatitis B infections. It is estimated that in 2010, 38,000 new cases were diagnosed in the U.S.

  • In the U.S., it is estimated that between 2.5 and 3.9 million people have chronic hepatitis C infections. It is estimated that in 2010, 17,000 new cases occurred in the U.S.

  • Tuberculosis has infected one-third of the world's population. In 2011, nearly 11,000 new cases were reported in the U.S.

  • About 36,000 people per year in the U.S. die from influenza and pneumonia.

  • According to the National Institute of Allergy and Infectious Diseases, 50,000 new cases of HIV infections occur annually in the U.S., and nearly 33 million people are infected with HIV in the world.

  • The chickenpox vaccine has decreased the frequency of new cases of chickenpox in all age groups, especially in children ages 1 to 4 years.

  • Even though the measles vaccine is now available, in 2010 there were five new cases of German measles (rubella) and 63 cases of measles (rubeola) in the U.S.

  • The numbers of new cases of sexually transmitted diseases reported in the U.S. in 2011 include:

    • Human papillomavirus (HPV): about 14 million  

    • Chlamydia: over 1.4 million 

    • Gonorrhea: over 300,000 

    • HIV: around 50,000 

    • Syphilis (primary and secondary): around 14,000  

  • In 2012, about 41,000 new cases of whooping cough were reported to the CDC, including 18 deaths nationally. The majority of these deaths were in children less than 1 year of age.