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相关概念视频

Controls in Experiments01:13

Controls in Experiments

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When conducting an experiment, it is crucial to have control to reduce bias and accurately measure the dependent variables. It also marks the results more reliable. Controls are elements in an experiment that have the same characteristics as the treatment groups but are not affected by the independent variable. By sorting these data into control and experimental conditions, the relationship between the dependent and independent variables can be drawn. A randomized experiment always includes a...
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Vaccinations01:51

Vaccinations

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Overview
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Factors Affecting the Risk of Infection01:26

Factors Affecting the Risk of Infection

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The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
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Immunodeficiency Diseases01:25

Immunodeficiency Diseases

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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...
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Rous Sarcoma Virus (RSV) and Cancer01:03

Rous Sarcoma Virus (RSV) and Cancer

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Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
RSV is a retrovirus that contains two copies of a plus-strand  RNA genome. Its genome consists of four main open...
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Bullying02:04

Bullying

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A modern form of aggression is bullying. As you learn in your study of child development, socializing and playing with other children is beneficial for children’s psychological development. However, as you may have experienced as a child, not all play behavior has positive outcomes. Some children are aggressive and want to play roughly. Other children are selfish and do not want to share toys. One form of negative social interactions among children that has become a national concern is...
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相关实验视频

Updated: Aug 29, 2025

Nasal Brushing Sampling and Processing Using Digital High Speed Ciliary Videomicroscopy – Adaptation for the COVID-19 Pandemic
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COVID-19 和儿童

Carl A Pierce1, Kevan C Herold2, Betsy C Herold1,3

  • 1Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, USA.

Science (New York, N.Y.)
|September 8, 2022
PubMed
概括

感染SARS-CoV-2的儿童通常会出现较轻的COVID-19,但可能会出现MIS-C等严重的并发症. 目前正在进行研究,以了解疫苗在儿童COVID-19中的长期影响和作用.

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科学领域:

  • 儿童传染病
  • 免疫学
  • 公共卫生

背景情况:

  • 虽然成年人对COVID-19的研究广泛,但SARS-CoV-2对儿童的影响仍然不太清楚.
  • 与成年人相比,儿童通常表现出较轻微的COVID-19症状,这是呼吸系统疾病的非典型模式.
  • 某些儿科病例发生严重并发症,包括儿童多系统炎症综合征 (MIS-C) 和长期Covid,即使在无症状或轻度感染后也是如此.

研究的目的:

  • 调查严重急性呼吸综合征冠状病毒2 (SARS-CoV-2) 影响儿童的独特方式.
  • 了解影响儿童COVID-19病例严重疾病发展的因素.
  • 评估儿童在SARS-CoV-2传播中的作用以及儿童接种疫苗的好处.

主要方法:

  • 对儿童COVID-19现有研究进行审查.
  • 对儿童传播SARS-CoV-2的流行病学数据的分析.
  • 讨论有关小儿免疫应对SARS-CoV-2感染和疫苗接种的当前理解.

主要成果:

  • 儿童通常比成年人体验的COVID-19不那么严重.
  • 儿童感染后可能出现MIS-C和长期Covid等严重并发症.
  • 儿童在传播动态中的作用需要进一步研究.

结论:

  • 建议为儿童接种COVID-19疫苗,以减轻长期影响并减少传播.
  • 为了充分了解COVID-19在儿童群体中的长期后果,需要进一步的研究.
  • 目前正在进行的研究旨在澄清疫苗接种对儿童免疫反应的影响.