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Related Concept Videos

Longitudinal Studies01:26

Longitudinal Studies

533
Longitudinal studies are also widely used in other medical and social science fields. For instance, in cardiovascular research, they can monitor patients' health over decades to identify risk factors for heart disease, such as high cholesterol or smoking, and evaluate the long-term effectiveness of preventive measures. Similarly, in mental health studies, researchers might follow individuals from adolescence into adulthood to understand the development and progression of conditions like...
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Longitudinal Research02:20

Longitudinal Research

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Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
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Short-distance Transport of Resources02:12

Short-distance Transport of Resources

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Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
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Other Nuclides: 31P, 19F, 15N NMR01:16

Other Nuclides: 31P, 19F, 15N NMR

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Many organic, inorganic, and biological molecules contain spin-half nuclei such as nitrogen-15, fluorine-19, and phosphorus-31. As a result, NMR studies of these nuclei have found extensive applications in chemical and biological research.
While fluorine-19 and phosphorous-31 have high natural abundances (100%) and positive gyromagnetic ratios, nitrogen-15 has a low natural abundance and a negative gyromagnetic ratio. However, nitrogen-15 is still preferred over nitrogen-14 (which has a...
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Health Literacy01:21

Health Literacy

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Health literacy is an individual's or a community's capacity to comprehend, receive, read, and use relevant healthcare information and services. The World Health Organization (WHO, 2018) defines health literacy as the cognitive and social skills that determine the ability of individuals to gain access to, understand, and use information in ways that promote and maintain good health. As a result, the WHO helps individuals manage long-term health concerns, participate in preventative...
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Purpose of Health Records I01:11

Purpose of Health Records I

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The vital purpose of health records is to provide a complete and accurate account of a patient's medical history, including communication, diagnostic and therapeutic orders, care planning, research, and quality review.
Here's a breakdown of how health records serve these purposes:
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Related Experiment Video

Updated: Feb 6, 2026

Dynamic Monitoring of Seroconversion using a Multianalyte Immunobead Assay for Covid-19
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Lower Mortality Associated With Preemptive Health System Resource Reallocation During COVID-19: A Longitudinal Study

Sarah McCuskee1,2, Stephen Wall1,3, Charles DiMaggio3,4

  • 1Ronald O Perelman Department of Emergency Medicine, https://ror.org/0190ak572New York University Grossman School of Medicine, New York, NY, USA.

Disaster Medicine and Public Health Preparedness
|February 5, 2026
PubMed
Summary
This summary is machine-generated.

Proactive health system resource reallocation before a crisis, like COVID-19, reduced excess deaths. Simultaneous reallocation increased mortality, highlighting the need for preparedness and timely resource management.

Keywords:
disaster planninghealth care rationinghealth resourcesinternationalitypandemic preparedness

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Area of Science:

  • Public Health
  • Health Systems Research
  • Epidemiology

Background:

  • Health systems possess finite capacity, necessitating resource management during crises.
  • Policymakers may implement explicit resource reallocation or face implicit reallocation due to capacity limits.
  • Understanding the impact of resource reallocation timing is crucial for crisis response during pandemics like COVID-19.

Purpose of the Study:

  • To model the timing and intensity of pre-vaccination health system resource reallocation.
  • To predict the impact of these policies on excess mortality during the COVID-19 pandemic.

Main Methods:

  • Longitudinal panel analysis of 85 countries (January 2020-January 2021).
  • Examined resource reallocation scope, intensity (0-100), and timing as predictors.
  • Measured all-cause excess mortality against COVID-19 incidence and health system parameters.

Main Results:

  • Simultaneous resource reallocation correlated with increased mortality (b = 0.80).
  • Preemptive (previous month) reallocation was protective, reducing excess deaths (b = -0.58).
  • Effects were more pronounced in older populations; capacity and preparedness were linked to lower mortality.

Conclusions:

  • Preemptive health system resource reallocation was associated with lower COVID-19 pandemic mortality.
  • Simultaneous reallocation was linked to increased mortality.
  • Proactive resource management, capacity building, and readiness enhance crisis response effectiveness.