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Vaccine Schedule for Adults

Tetanus, Diphtheria, Pertussis (Td, Tdap) Vaccine

How it is given: As a single injection that offers protection against all three diseases.

How often/when to get it: One-time Tdap vaccination followed by Td booster every 10 years.

Who should get it? Adults up to age 64 who have not previously had a Tdap vaccination, and adults 65 and older who have not previously received Tdap and have or anticipate having close contact with a baby less than 12 months of age. All adults should receive subsequent Td boosters. Also, pregnant women are advised to get the Tdap vaccine, preferably between 27 and 36 weeks' gestation, with each pregnancy.

Hepatitis A Vaccine

How it is given: By injection.

How often/when to get it: First dose any time after age 1; second dose at least 6 months later.

Who should get it? People of all ages who:

  • Live in a community with a high rate of hepatitis A
  • Are men having sex with other men
  • Use street drugs
  • Work in or travel to countries with high rates of hepatitis A
  • Have chronic liver disease
  • Receive blood products to help with clotting
  • Work with hepatitis A-infected animals or in a hepatitis A research setting

Hepatitis B Vaccine

How it is given: By injection.

How often/when to get it: You'll get a series of three injections. One month after the first dose, you'll get the second dose. The third dose should be given at least 2 months after the second, but at least 4 months after the first dose.

Who should get it? Adults of all ages at risk for hepatitis B infection, including those who:

  • Have diabetes
  • Have sex with or live in the same house with an infected person
  • Have sex with more than one partner
  • Are men having sex with other men
  • Seek treatment in a clinical for sexually transmitted diseases, HIV testing or treatment, or drug treatment
  • Inject drugs
  • Have end-stage kidney disease or are on hemodialysis
  • Have HIV
  • Work in, or are a client of, an institution for the developmentally disabled
  • Have chronic liver disease
  • Live in, or travel for 6 months to a year, in countries where hepatitis B is common
  • Are prisoners in correctional facilities

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