Practice Alert

5 non-COVID vaccine recommendations from ACIP

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Although COVID-19 vaccination remains at the forefront, ACIP has offered guidance on MMR, pneumococcal, influenza, and travel vaccines. Here’s a round-up.


 

References

Much of the work of the Advisory Committee on Immunization Practices (ACIP) in 2022 was devoted to vaccines to protect against coronavirus ­disease 2019 (COVID-19); details about the 4 available products can be found on the ­Centers for Disease Control and Prevention’s ­COVID vaccine website (www.cdc.gov/coronavirus/2019-ncov/vaccines/index.html).1,2 However, ACIP also issued recommendations about 5 other (non-COVID) vaccines last year, and those are the focus of this Practice Alert.

A second MMR vaccine option

The United States has had only 1 measles, mumps, and rubella (MMR) vaccine approved for use since 1978: M-M-R II (Merck). In June 2022, the US Food and Drug Administration (FDA) approved a second MMR vaccine, ­PRIORIX (GlaxoSmithKline Biologicals), which ACIP now recommends as an option when MMR vaccine is indicated.3

ACIP considers the 2 MMR options fully interchangeable.3 Both vaccines produce similar levels of immunogenicity and the safety profiles are also equivalent—including the rate of febrile seizures 6 to 11 days after vaccination, estimated at 3.3 to 8.7 per 10,000 doses.4 Since PRIORIX has been used in other countries since 1997, the MMR workgroup was able to include 13 studies on immunogenicity and 4 on safety in its evidence assessment; these are summarized on the CDC website.4

It is desirable to have multiple manufacturers of recommended vaccines to prevent shortages if there a disruption in the supply chain of 1 manufacturer, as well as to provide competition for cost control. A second MMR vaccine is therefore a welcome addition to the US vaccine supply. However, there remains only 1 combination measles, mumps, rubella, and varicella vaccine approved for use in the United States: ProQuad (Merck).

Pneumococcal vaccine recommendations are revised and simplified

Adults. Last year, ACIP made recommendations regarding 2 new vaccine options for use against pneumococcal infections in adults: PCV15 (Vaxneuvance, Merck) and PCV20 (Prevnar20, Pfizer). These have been described in detail in a CDC publication and summarized in a recent Practice Alert.5,6

ACIP revised and simplified its recommendations on vaccination to prevent pneumococcal disease in adults as follows5:

1. Maintained the cutoff of age 65 years for universal pneumococcal vaccination

2. Recommended pneumococcal vaccination (with either PCV15 or PCV20) for all adults ages 65 years and older and for those younger than 65 years with chronic medical conditions or immunocompromise

3. Recommended that if PCV15 is used, it should be followed by 23-valent pneumococcal polysaccharide vaccine (PPSV23, Merck).

These revisions created a number of uncertain clinical situations, since patients could have already started and/or completed their pneumococcal vaccination with previously available products, including PCV7, PCV13, and PPSV23. At the October 2022 ACIP meeting, the pneumococcal workgroup addressed a number of “what if” clinical questions. These clinical considerations will soon be published in the Morbidity and Mortality Weekly Report (MMWR) but also can be reviewed by looking at the October ACIP meeting materials.7 The main considerations are summarized below7:

  • For those who have previously received PCV7, either PCV15 or PCV20 should be given.
  • If PPSV23 was inadvertently administered first, it should be followed by PCV15 or PCV20 at least 1 year later.
  • Adults who have only received PPSV23 should receive a dose of either PCV20 or PCV15 at least 1 year after their last PPSV23 dose. When PCV15 is used in those with a history of PPSV23 receipt, it need not be followed by another dose of PPSV23.
  • Adults who have received PCV13 only are recommended to complete their pneumococcal vaccine series by receiving either a dose of PCV20 at least 1 year after the PCV13 dose or PPSV23 as previously recommended.
  • Shared clinical decision-making is recommended regarding administration of PCV20 for adults ages ≥ 65 years who have completed their recommended vaccine series with both PCV13 and PPSV23 but have not received PCV15 or PCV20. If a decision to administer PCV20 is made, a dose of PCV20 is recommended at least 5 years after the last pneumococcal vaccine dose.

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