infectiousness

简明释义

英[ɪnˈfekʃəsnəs]美[ɪnˈfekʃəsnəs]

n. 传染性；传染力

英英释义

单词用法

同义词

反义词

例句

1.Unfortunately, swine flu 's infectiousness andtheglobalized flow of humantravelmake for a very dangerous combination.

不幸的是，猪流感的传染性和人员流动的全球化形成了一个非常危险的组合。

2.Astrogenetix took advantage of that fast-growing, super-active state to home in on the salmonella genes responsible for infectiousness, and then removed said genes to create a weak vaccine strain.

Astrogenetix利用这快速繁殖和超活性状态去遥控沙门氏菌负责感染的基因然后去除这强毒基因以建立疫苗弱毒株。

3.Loop function barrier, according to infectiousness shock management.

循环功能障碍者，按感染性休克处理。

4.Illustration, as an important form of visual communication, with its "one-graph-win-thousand-words" intuitiveness, vividness and infectiousness, has always been very popular.

插图作为一种重要的视觉传达形式，以其“一图胜万言”的直观性、形象性和感染力，历来深受人们喜爱。

5.AIM: to study the infectiousness of the convalescent patients with severe acute respiratory syndrome (SARS).

目的：了解严重急性呼吸综合征(SARS)恢复期患者的传染性。

6.The most disquieting thing about the scofflaw spirit is its extreme infectiousness.

这种藐视法律的情绪，最令人不安之处在于其传染性。

7.Understanding the infectiousness of certain diseases is crucial for public health.

理解某些疾病的传染性对公共卫生至关重要。

8.The research highlighted the infectiousness of the bacteria in crowded environments.

研究强调了拥挤环境中细菌的传染性。

9.The doctor explained the infectiousness of the flu virus, emphasizing how easily it spreads.

医生解释了流感病毒的传染性，强调了它传播的容易程度。

10.The infectiousness of the new variant raised concerns among health officials.

新变种的传染性引起了卫生官员的担忧。

11.Children are often more susceptible to the infectiousness of illnesses like chickenpox.

儿童通常对水痘等疾病的传染性更为敏感。

作文

In today's world, the concept of infectiousness has taken on new meaning. As we navigate through a global pandemic, understanding the infectiousness of diseases like COVID-19 has become crucial for public health. The term infectiousness refers to the ability of a pathogen to be transmitted from one host to another, and it plays a significant role in how diseases spread within communities. The higher the infectiousness, the more rapidly a disease can propagate, leading to outbreaks that can overwhelm healthcare systems.The infectiousness of a virus is often measured by its basic reproduction number, known as R0 (R-naught). This number indicates how many people, on average, a single infected person will go on to infect. For example, if a virus has an R0 of 2, it means that each infected individual will, on average, spread the virus to two other people. Understanding this metric helps public health officials develop strategies to contain outbreaks. When the infectiousness is high, as seen with viruses such as measles or the flu, vaccination and herd immunity become essential tools in preventing widespread transmission.Moreover, the infectiousness of a disease can vary based on numerous factors including environmental conditions, population density, and individual behaviors. In densely populated urban areas, the infectiousness of respiratory viruses can increase significantly due to close contact among individuals. Public health measures such as social distancing, mask-wearing, and hand hygiene have been implemented to reduce the infectiousness of such viruses and protect vulnerable populations.Another important aspect of infectiousness is the role of asymptomatic carriers. Many infectious diseases can be spread by individuals who do not show symptoms, making it difficult to identify and isolate those who are contagious. This phenomenon has been particularly evident during the COVID-19 pandemic, where asymptomatic individuals contributed significantly to the spread of the virus. Understanding the infectiousness of asymptomatic carriers has prompted health authorities to recommend widespread testing and contact tracing efforts to control outbreaks.The implications of infectiousness extend beyond just viral infections. Bacterial infections, fungal infections, and even certain parasitic infections possess varying levels of infectiousness. For instance, tuberculosis is known for its high infectiousness, which necessitates specific containment measures in healthcare settings. On the other hand, some infections may require direct contact for transmission, thereby limiting their infectiousness in certain environments.As we move forward, it is essential to continue researching the infectiousness of various pathogens to better prepare for future outbreaks. Vaccination campaigns, public health initiatives, and community awareness programs play vital roles in managing the infectiousness of diseases. By understanding how infectious diseases spread, we can implement effective strategies to protect public health and prevent future pandemics.In conclusion, the term infectiousness encapsulates a critical aspect of epidemiology and public health. It defines how diseases spread and informs the strategies we employ to combat them. As we learn more about the infectiousness of different pathogens, we can enhance our preparedness and response to infectious disease threats, ultimately safeguarding the health of our communities.

在当今世界，‘感染性’这一概念赋予了新的意义。当我们在全球大流行中航行时，理解像COVID-19这样的疾病的‘感染性’对公共卫生至关重要。‘感染性’这个术语指的是病原体从一个宿主传播到另一个宿主的能力，它在疾病如何在社区传播中起着重要作用。‘感染性’越高，疾病传播的速度就越快，导致可能淹没医疗系统的疫情。病毒的‘感染性’通常通过其基本繁殖数来衡量，称为R0（R零）。这个数字表示一个感染者平均会传染给多少人。例如，如果一种病毒的R0为2，这意味着每个感染个体平均会将病毒传播给两个其他人。理解这一指标有助于公共卫生官员制定控制疫情的策略。当‘感染性’较高时，例如麻疹或流感，疫苗接种和群体免疫成为防止广泛传播的重要工具。此外，疾病的‘感染性’还可以根据许多因素变化，包括环境条件、人口密度和个人行为。在人口稠密的城市地区，呼吸道病毒的‘感染性’可能会因个体之间的密切接触而显著增加。公共卫生措施如社交距离、佩戴口罩和手部卫生已被实施，以降低此类病毒的‘感染性’并保护脆弱人群。另一个重要的‘感染性’方面是无症状携带者的角色。许多传染病可以通过没有表现出症状的个体传播，这使得识别和隔离那些具有传染性的人变得困难。这种现象在COVID-19大流行期间尤为明显，无症状个体在病毒传播中贡献显著。了解无症状携带者的‘感染性’促使卫生部门建议广泛测试和接触追踪以控制疫情。‘感染性’的影响不仅限于病毒感染。细菌感染、真菌感染甚至某些寄生虫感染也具有不同级别的‘感染性’。例如，结核病以其高‘感染性’而闻名，这需要在医疗环境中采取特定的控制措施。另一方面，一些感染可能需要直接接触才能传播，从而限制了它们在某些环境中的‘感染性’。随着我们向前推进，继续研究各种病原体的‘感染性’至关重要，以更好地为未来的疫情做好准备。疫苗接种活动、公共卫生倡议和社区意识项目在管理疾病的‘感染性’中发挥着重要作用。通过理解传染病如何传播，我们可以实施有效的策略来保护公共卫生，防止未来的大流行。总之，‘感染性’这一术语概括了流行病学和公共卫生的一个关键方面。它定义了疾病如何传播，并为我们应对疾病提供了指导。随着我们对不同病原体的‘感染性’了解的深入，我们可以增强我们的准备和应对感染疾病威胁的能力，最终保护我们社区的健康。