流行病期间适应性行为的年龄差异化激励因素会产生振荡和混乱的动态
Ronan F Arthur1, May Levin2, Alexandre Labrogere3
1School of Medicine, Stanford University, Stanford, California, United States of America.
PLoS computational biology
|September 5, 2023
概括
人们根据年龄如何适应传染病的异质性,可以创造复杂的流行病模式. 即使那些受影响较小的人也可以影响高风险群体的疾病传播.
科学领域:
- 流行病学 流行病学
- 数学建模的数学建模
- 公共卫生 公共卫生
背景情况:
- 流行病的结果受到不同年龄组接触模式,死亡率和传播能力的变化的影响.
- 作为对传染病的反应,适应性行为可能导致复杂的流行病学动态.
研究的目的:
- 模拟一种感染性疾病,结合年龄相关的适应性行为,感染厌恶,死亡率和传染性.
- 调查年龄类别之间的异质性如何影响流行病的复杂性.
主要方法:
- 开发一个模拟传染病的数学模型.
- 包括可变的适应性行为激励,死亡率和两到三个年龄段的感染厌恶.
主要成果:
- 感染厌恶的年龄相关变化可能会产生更复杂的流行病动态,特别是在较低的病原体传播水平.
- 感染风险较低的年龄组中的个人可以显著影响高风险组中的个体的动态.
结论:
- 适应性行为和跨年龄组风险感知的异质性对于理解流行病动态至关重要.
- 决策者在制定针对传染病的公共卫生战略时,必须考虑不同年龄人口的相互联系.
更多相关视频
12:21A Mouse Model for the Transition of Streptococcus pneumoniae from Colonizer to Pathogen upon Viral Co-Infection Recapitulates Age-Exacerbated Illness
Published on: September 28, 2022
2.5K
08:00Spatiotemporal Control of Protein Activity through Optogenetic Allosteric Regulation
Published on: October 4, 2024
620
相关概念视频
Steps in Outbreak Investigation
152
In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:
152
Causality in Epidemiology
463
Causality or causation is a fundamental concept in epidemiology, vital for understanding the relationships between various factors and health outcomes. Despite its importance, there's no single, universally accepted definition of causality within the discipline. Drawing from a systematic review, causality in epidemiology encompasses several definitions, including production, necessary and sufficient, sufficient-component, counterfactual, and probabilistic models. Each has its strengths and...
463
Nonlinear Pharmacokinetics: Causes of Nonlinearity
228
Nonlinearity in drug pharmacokinetics is caused by various factors influencing how a drug is absorbed, distributed, metabolized, and excreted. Understanding these nonlinear processes is crucial for predicting drug behavior in the body and optimizing drug dosing regimens.
Nonlinear drug absorption can occur when the process is rate-limited by solubility, carrier-mediated transport systems, or saturation of the presystemic gut wall or hepatic metabolism. For instance, high doses of riboflavin...
Nonlinear drug absorption can occur when the process is rate-limited by solubility, carrier-mediated transport systems, or saturation of the presystemic gut wall or hepatic metabolism. For instance, high doses of riboflavin...
228
Forced Oscillations
6.6K
When an oscillator is forced with a periodic driving force, the motion may seem chaotic. The motions of such oscillators are known as transients. After the transients die out, the oscillator reaches a steady state, where the motion is periodic, and the displacement is determined.
6.6K
Frequency-dependent Selection
22.1K
When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
22.1K
Life Histories
18.0K
Overview
18.0K
