Related Experiment Video

Updated: Aug 9, 2026

Intranasal Immunization and Milk Collection in Studies of Maternal Immunization in New Zealand White Rabbits (Oryctolagus cuniculus)
13:00

Intranasal Immunization and Milk Collection in Studies of Maternal Immunization in New Zealand White Rabbits (Oryctolagus cuniculus)

Published on: July 31, 2021

Immunization initiation among infants in the Oregon Health Plan

Jessica W Henderson1, Susan A Arbor, Steven L Broich

  • 1Division of Health and Physical Education, Western Oregon University, Monmouth, OR 97361. hendersonj@wou.edu

American Journal of Public Health
|March 31, 2006
PubMed

Insights

Timely infant immunizations are crucial for long-term health. Delays in early healthcare coverage and specific demographic factors, such as race and maternal coverage, were linked to delayed vaccination schedules in Oregon infants.

Area of Science:

  • Pediatrics
  • Public Health
  • Health Services Research

Background:

  • On-time immunization is associated with up-to-date vaccination status at 2 years.
  • Early healthcare access is a critical determinant of timely pediatric care.

Purpose of the Study:

  • To identify factors associated with delayed initiation of infant immunizations among beneficiaries of the Oregon Health Plan.

Main Methods:

  • Retrospective cohort study of 39,708 infants aged 3 months covered by the Oregon Health Plan.
  • Analysis of factors including timing of health care coverage, child welfare status, disability, race/ethnicity, and maternal coverage.

Main Results:

  • Infants lacking health care coverage within the first month of life were less likely to start immunizations on time.
  • Infants in foster care, subadoptive care, those with disabilities, Native American or Black infants, and those whose mothers lacked coverage were also at increased risk for delayed vaccination.

Conclusions:

  • Early healthcare coverage is essential for timely infant immunization.
  • Vulnerable infant populations, including those in child welfare or with disabilities, and certain racial/ethnic groups, require targeted interventions to ensure vaccination timeliness.

More Related Videos

Cationic Nanoemulsion-Encapsulated Retinoic Acid as an Adjuvant to Promote OVA-Specific Systemic and Mucosal Responses06:02

Cationic Nanoemulsion-Encapsulated Retinoic Acid as an Adjuvant to Promote OVA-Specific Systemic and Mucosal Responses

Published on: February 23, 2024

Immunization of Adult Zebrafish for the Preclinical Screening of DNA-based Vaccines05:39

Immunization of Adult Zebrafish for the Preclinical Screening of DNA-based Vaccines

Published on: October 30, 2018

Related Concept Videos

Development of Immunocompetence01:22

Development of Immunocompetence

The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
Vaccinations01:51

Vaccinations

Overview
Preventive Healthcare Services01:30

Preventive Healthcare Services

Preventive healthcare services keep people healthy via frequent check-ups, screening, and counseling. They primarily aid in disease prevention rather than treating an acute or chronic illness. Preventive treatment also keeps individuals productive and energetic, allowing them to work well into their retirement years. Examples of preventive care services include:
Immunodeficiency Diseases01:25

Immunodeficiency Diseases

Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency disorders...
Active versus Passive Immunity01:31

Active versus Passive Immunity

Immunity, along with the ability to limit pathogen growth to prevent significant body tissue damage, can be gained either by (1) actively developing an immune response within the individual after exposure to a pathogen or after getting vaccinated or (2) passively transferring immune components from an immune individual to one who is nonimmune. Both these forms of immunity can be found naturally and in medical practices.
Active Immunity
Active immunity refers to the resistance one develops...
Levels of Health Promotion and Illness Prevention01:26

Levels of Health Promotion and Illness Prevention

Health promotion allows a person to control the determinants of health, resulting in an improved health status. It enhances the quality of life and reduces premature deaths. Health promotion and illness prevention programs help people make beneficial choices to reduce the risk of disease and disabilities. There are three health promotion and illness prevention levels: primary, secondary, and tertiary prevention.
In primary prevention, actions taken before disease onset prevent the disease from...