The following recommendations for a single dose of Tdap (ADACEL^®) apply to adults aged 19--64 years who have not yet received Tdap. Adults should receive a decennial booster with Td beginning 10 years after receipt of Tdap (33).

• Routine: Adults should receive a single dose of Tdap to replace a single dose of Td for booster immunization against tetanus, diphtheria, and pertussis if they received their most recent tetanus toxoid-containing vaccine (e.g., Td) >10 years earlier.
• Short intervals between Td and Tdap: Tdap can be administered at an interval <10 years since receipt of the last tetanus toxoid-containing vaccine to protect against pertussis. The safety of intervals as short as approximately 2 years between administration of Td and Tdap is supported by a Canadian study of children and adolescents. The dose of Tdap replaces the next scheduled Td booster.
• Prevention of pertussis among infants aged <12 months by vaccinating adult contacts: Adults who have or who anticipate having close contact with an infant aged <12 months (e.g., parents, grandparents, child-care providers, or health-care providers) should receive a single dose of Tdap. An interval as short as 2 years since the most recent tetanus toxoid-containing vaccine is suggested; shorter intervals can be used. Ideally, Tdap should be administered at least 2 weeks before beginning close contact with the infant. Women should receive a dose of Tdap in the immediate postpartum period if they have not previously received Tdap. Any woman who might become pregnant is encouraged to receive a single dose of Tdap.
• Vaccination of health-care personnel (HCP): HCP in hospitals and ambulatory care settings who have direct patient contact should receive a single dose of Tdap as soon as feasible if they have not previously received Tdap. An interval as short as 2 years because the last dose of Td is recommended. Other HCP should receive a single dose of Tdap according to the routine recommendation; they are encouraged also to receive Tdap at an interval as short as 2 years. Priority should be given to vaccination of HCP who have direct contact with infants aged <12 months. Hospitals and ambulatory-care facilities should provide Tdap for HCP and use approaches that maximize vaccination rates.
• Simultaneous administration: Tdap should be administered with other vaccines that are indicated during the same visit when feasible. Each vaccine should be administered using a separate syringe at different anatomic sites.

Call Ozark County Health Department for an appointment (417)679-3334

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