Immunization status of hospitalized preschool-age children. The need for hospital-based immunization programs

C J Tifft1, H M Lederman

  • 1Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore.

Insights

Many preschool-aged children experience delayed immunizations during hospital stays. Healthcare providers must improve adherence to vaccination schedules to ensure timely protection for children.

Area of Science:

  • Pediatrics
  • Public Health
  • Immunology

Background:

  • Hospitalization presents a critical opportunity to address childhood immunizations.
  • Delayed childhood immunizations pose risks for preventable infectious diseases.

Purpose of the Study:

  • To evaluate the immunization status of hospitalized preschool-aged children.
  • To assess the effectiveness of hospital admissions in completing delayed vaccinations.

Main Methods:

  • Retrospective review of medical records for 102 preschool-aged children.
  • Analysis of immunization records before, during, and after hospitalization.

Main Results:

  • 19% of hospitalized children had documented immunization delays.
  • No children with delays received immunizations before hospital discharge.
  • Over half of initially deficient children remained so 2-5 months post-discharge.

Conclusions:

  • Hospital admissions are underutilized for addressing pediatric immunization deficits.
  • Improved strategies are needed to ensure compliance with immunization schedules during pediatric hospitalizations.

Related Concept Videos

Vaccinations01:51

Vaccinations

Overview
Specialized Care Centers and Settings-II01:30

Specialized Care Centers and Settings-II

Rural Health Centers
Rural health centers are specialized care facilities in remote locations with very few medical personnel. The primary care providers who run the centers are mostly Registered Nurse Practitioners. Here, emergency treatment is provided to critically ill or injured patients before they are transferred to the closest hospital. Fortunately, due to advancement in technology, many rural healthcare facilities and professionals have easy access to diagnostic and treatment...
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...
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...
Smallpox01:24

Smallpox

Smallpox is a severe contagious disease caused by the Variola major virus, a double-stranded DNA member of the Poxviridae family.Variola major transmission occurs primarily via inhalation of virus-laden droplets or direct contact with infectious scabs. The incubation period averages approximately seven days, although it may range from 7 to 17 days depending on the inoculum and host factors.Clinically, the prodromal phase is marked by an abrupt onset of high fever, malaise, headache, and myalgia.
Poliomyelitis01:17

Poliomyelitis

Poliomyelitis is caused by poliovirus, a small, non-enveloped, positive-sense RNA virus of the Picornaviridae family and Enterovirus genus. Transmission occurs primarily via the fecal-oral route, often through ingestion of contaminated water or food. The virus initially replicates in the oropharynx and intestinal mucosa, particularly in lymphoid tissues such as the tonsils, Peyer’s patches, and regional lymph nodes. Primary viremia follows, allowing dissemination throughout the body.In most...