Healthy Beginnings / Increasing Child Vaccination Rates

Increasing Vaccination Rates2025-02-03T23:55:00-08:00

Vaccines: defense against infectious diseases1

One of public health’s greatest accomplishments is the development of vaccines. Vaccinations help keep children from getting certain dangerous preventable diseases, while also greatly decreasing the spread of diseases among children. California continues to work to improve the uptake of child vaccinations, however false information and fears surrounding the long-term effect and dangers of vaccinations represent major barriers. Despite recent challenges including public protests, progress continues to be made through collaboration between parents, childcare providers, medical providers, and other key stakeholders.

This indicator tracks the percentage of children (by birth year) who have received the recommended combination vaccinations by 35 Months.

Indicator Progress

In 2020 (baseline year), 74.5% of children were up-to-date on vaccinations by 35 months. The most recent data available show 74.5% (2020). We hope to reach a target of 82.7% or higher by 2034.

More Data about Child Vaccination Rates

Baseline

74.5%

Current Rate

74.5%

Target

82.7%

Percentage of Children Who Received the Recommended Combination Vaccinations by 35 Months, Over Time

Download the Data Visualization Help

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Indicator: Percentage of Children Who Have Received the Recommended Combination Vaccinations by 35 Months

Indicator Description: This indicator shows up-to-date vaccination coverage for children by 35 months of age. “Up-to-date” is referred to as “Combination series” by CDC and is defined as receiving vaccination series 4:3:1:3*:3:1 (in 2013 data, it was referred to as 4:3:1:4:3:1:4-FS). This means 4 or more doses of Diphtheria, Tetanus, and acellular Pertussis (whooping cough) vaccine (DTaP), 3 or more doses of poliovirus vaccine, 1 or more doses of any Measles, Mumps, and Rubella (MMR) vaccine, the full vaccine series (3 or 4 doses, depending on product type received) for Haemophilus influenzae type B (Hib), 3 or more doses of Hepatitis B vaccine, 1 or more doses of Varicella vaccine, and 4 or more doses of Pneumococcal conjugate vaccine (PCV).

Data Limitations: Sample size for California is 400 households.

Indicator Source: CDC and National Immunization Survey https://www.cdc.gov/vaccines/imz-managers/coverage/childvaxview/data-source.html

Indicator Calculation Methodology: https://www.cdc.gov/vaccines/imz-managers/coverage/nis/child/tech-notes.html

Data Collection Methodology: https://www.cdc.gov/vaccines/imz-managers/nis/about.html#nis-child

Program URL Link: https://www.cdc.gov/vaccines/imz-managers/coverage/nis/child/index.html

Reporting Cycle: Annual (January)

1. Centers for Disease Control and Prevention (CDC). (1999) Ten great public health achievements–United States, 1900-1999. MMWR Morb Mortal Wkly, Apr 2;48(12):241-3. PMID: 10220250.

Stories & Solutions

Clinic in the Park • Connect • Screen • Educate

The Clinic in the Park is a health collaborative consisting of over 40 community nonprofits, academic, private and public organizations, volunteer health and public health professionals that brings free health and wellness screenings to needy families during the weekend at parks throughout Orange County.

Text4baby

The Text4baby app provides free text messages to help keep you and your baby healthy. 

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