The nurse correctly understands that the administration of the PCV vaccine should occur at which ages?
1. 5 and 10 months
2. 15 and 18 months
3. 1, 8, 13, and 18 to 20 months
4. 2, 4, 6, and 12 to 15 months
Correct Answer: 4
Rationale 1: This is not the time frame for PCV administration.
Rationale 2: This is not the time frame for PCV administration.
Rationale 3: This is not the time frame for PCV administration.
Rationale 4: The PCV vaccine should be administered at 2, 4, 6, and 12 to 15 months.
Global Rationale: Because the administration of PPV to young children with immature immune systems leads to a poor antibody response, this vaccine is not recommended in children under 2 years of age. A second vaccine, called pneumococcal conjugate vaccine (PCV), was specially developed for routine immunization in children under the age of 2. This immunization differs from PPV in that the S. pneumoniae polysaccharides are coupled with a protein that leads to improved immune activation in infants with immature immune function. The latest form of the pneumococcal conjugate vaccine, PCV13, was approved in 2010 and protects against 13 types of pneumococcal bacteria. PCV13 is used in a series of four IM injections at 2 months, 4 months, 6 months, and 12 to 15 months.
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