The investigators also found that the initial rate of swelling in the longer needle group was about a third of that in the shorter needle group. On average, for every five infants vaccinated, use of the longer needle instead of the shorter needle would prevent one infant from experiencing any local reaction. The volume of vaccine, patient age, and muscle size are also important determinants. Providers may be reassured that using a longer needle for IM injections will be less painful for their patients AND be more effective in producing an immunogenic response. Needle length on some pre-filled syringes may not be long enough for an injection to be deposited into the muscle of larger people.
Needle gauge depends on volume injected and viscosity of solution.
This newly revised 40-page booklet responds to parents' concerns about vaccines, e.g. side effects, risks versus benefits, and legal requirements, and addresses misinformation as portrayed by the media and groups advocating against childhood vaccines. Children's Vaccine Program. The Spanish translation of Plain Talk is also available through the DOH warehouse to all providers in WA State. This double-sided, colorful Fact Sheet provides the 2001 Recommended Childhood Immunization Schedule and basic facts for parents regarding childhood immunizations. Key messages emphasize the importance of timely immunizations, clarification on common misperceptions regarding vaccine safety, and vaccine information resources.