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Related Concept Videos

Primary Healthcare Services01:30

Primary Healthcare Services

1.9K
Primary care promotes wellness and prevents disease. This care includes health promotion, education, protection (such as immunizations), early disease screening, and environmental considerations. Settings providing this type of healthcare include physician offices, public health clinics, school nursing, and community health nursing.
In 1978, international leaders convened in Alma-Ata, Kazakhstan, for what would be a pivotal event in global health. The Alma-Ata Declaration was the first to call...
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Levels of Health Promotion and Illness Prevention01:26

Levels of Health Promotion and Illness Prevention

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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...
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Preventive Healthcare Services01:30

Preventive Healthcare Services

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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:
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Principles of Disease Surveillance01:26

Principles of Disease Surveillance

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Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
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Healthcare Agencies II01:17

Healthcare Agencies II

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There are various healthcare agencies in the United States—some of which are managed by religious institutions and others by different government branches.
Parish nursing is a growing specialty nursing profession that focuses on holistic healthcare, health promotion, and illness prevention. It blends professional nursing practice with a health ministry, focusing on health and healing within the context of a Christian community. Parish nurses serve as health educators, referral sources,...
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Methods Of Healthcare Delivery System01:26

Methods Of Healthcare Delivery System

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At the different levels of the healthcare system, we see varying methods of healthcare used. These methods include managed care systems, case management, and primary healthcare.
Managed Care System:
The managed care system is designed to control the cost while maintaining the quality of care. The patient's care from admission to discharge is planned by the primary care provider or the case manager, also known as the gatekeeper. In a managed care system, the number of care providers is...
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Related Experiment Video

Updated: Jan 7, 2026

Determining Soil-transmitted Helminth Infection Status and Physical Fitness of School-aged Children
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Public Health.

Carly Rose1, William S Bush2, Dana C Crawford3

  • 1Case Western Reserve University, Cleveland, OH, USA.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 23, 2025
PubMed
Summary
This summary is machine-generated.

Coronavirus disease 2019 (COVID-19) infection increases the risk of Late-Onset Alzheimer's Disease (LOAD) diagnosis, particularly in Black or African American patients. Further research is exploring advanced models to predict LOAD risk post-COVID-19.

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Area of Science:

  • Neuroscience
  • Epidemiology
  • Infectious Diseases

Background:

  • The COVID-19 pandemic presents a potential new risk factor for Late-Onset Alzheimer's Disease (LOAD).
  • Understanding the relationship between COVID-19 and LOAD, especially in African Americans, is crucial.
  • Electronic Health Record (EHR) data from the National COVID Cohort Collaborative (N3C) enables this investigation.

Purpose of the Study:

  • To investigate the association between COVID-19 infection and the diagnosis of LOAD.
  • To examine racial disparities in the risk of LOAD following COVID-19 infection.

Main Methods:

  • A retrospective cohort study using de-identified EHR data from the N3C.
  • Inclusion criteria: patients aged 65+, with clinical visits between 1/20/2019-1/20/2020, and no prior AD diagnosis.
  • Analysis involved logistic regression models stratified by race, adjusting for age and sex.

Main Results:

  • COVID-19 infection was associated with LOAD risk across racial groups.
  • Black or African American patients showed a significantly increased risk of LOAD diagnosis post-COVID-19 (RR=1.07).
  • White patients showed a slightly decreased risk of LOAD diagnosis post-COVID-19 (RR=0.97).

Conclusions:

  • COVID-19 infection appears to impact LOAD risk differently across racial groups.
  • Ongoing work includes developing advanced predictive models (random forest, neural networks) for LOAD.
  • Future research will analyze model accuracy and identify key predictive features for LOAD post-COVID-19.