pathogenic

简明释义

英[ˌpæθəˈdʒenɪk]美[ˌpæθəˈdʒenɪk]

adj. 致病的；病原的；发病的（等于 pathogenetic）

英英释义

单词用法

同义词

反义词

例句

1.On present understanding, H5 and H7 viruses are introduced to poultry flocks in their low pathogenic form.

据目前所知，H5和H7型病毒以低致病形式传给禽类。

2.The concept of heat treating foods to inactivate pathogenic organisms is termed appropriately "pasteurization" today.

今天人们把这种对食品进行热处理使致病生物体失活的概念恰当地称为“巴氏灭菌”。

3.These are the first outbreaks of highly pathogenic H5N1 avian influenza recorded in the two countries.

这些是在这两个国家记录的高致病性H5N1禽流感首次暴发。

4.In striking contrast, the virus is highly pathogenic for birds in the Americas.

与此形成鲜明对比的是美洲，该病毒对鸟类具有高致病性。

5.Deaths of wild birds from highly pathogenic H5N1 were reported in both countries.

在这两个国家，都报告了高致病性H5N1禽流感引起的野鸟死亡。

6.Which viruses cause highly pathogenic disease?

何种病毒诱发高致病性禽流感？

7.In addition, the low-pathogenic H9N2 strain (Asian lineage) has caused a few human cases of mild respiratory illness.

此外，低致病性H9N 2毒株(亚洲系)也引发了人间少数轻微呼吸道疾病病例。

8.The lab is testing samples for pathogenic 致病的 organisms that could pose a threat to public health.

实验室正在检测样本中可能对公共健康构成威胁的致病的生物。

9.Certain bacteria are known to be pathogenic 致病的, causing infections in humans.

某些细菌被认为是致病的，会在人类中引起感染。

10.Researchers are studying the pathogenic 致病的 mechanisms of viruses to develop better vaccines.

研究人员正在研究病毒的致病的机制，以开发更好的疫苗。

11.Understanding how pathogenic 致病的 bacteria interact with human cells is crucial for developing treatments.

了解致病的细菌如何与人类细胞相互作用对于开发治疗方法至关重要。

12.Some fungi can be pathogenic 致病的 and lead to serious respiratory issues.

一些真菌可能是致病的，导致严重的呼吸问题。

作文

Pathogens are microorganisms that can cause disease in their hosts. The term pathogenic refers to the ability of these organisms to induce illness. Understanding the nature of pathogenic agents is crucial for public health, as they can lead to outbreaks and epidemics if not managed properly. There are various types of pathogenic organisms, including bacteria, viruses, fungi, and parasites. Each of these categories has its own mechanisms for causing disease and varies in terms of transmission and severity of illness.Bacteria are one of the most common types of pathogenic organisms. Some bacteria, such as Streptococcus pneumoniae, can cause pneumonia, while others like Escherichia coli can lead to gastrointestinal infections. These bacteria can be transmitted through contaminated food or water, or via direct contact with infected individuals. Understanding how these pathogenic bacteria spread is essential for preventing infections. For instance, proper hygiene practices, such as handwashing and cooking food thoroughly, can significantly reduce the risk of bacterial infections.Viruses are another group of pathogenic agents that can cause a wide range of diseases, from the common cold to more severe illnesses like HIV/AIDS or COVID-19. Viruses typically require a living host to replicate, which makes them particularly insidious. They can be transmitted through respiratory droplets, bodily fluids, or even surfaces contaminated with the virus. Vaccination is one of the most effective ways to protect against pathogenic viruses, as it helps the immune system recognize and fight off these invaders before they can cause illness.Fungi, while often overlooked, also include pathogenic species that can affect humans. For example, Candida albicans is a fungus that can lead to infections in immunocompromised individuals. Fungal infections can be challenging to treat, and understanding the pathogenic nature of these organisms is vital for effective management. Treatment often involves antifungal medications, but prevention through maintaining a healthy immune system is equally important.Parasites are another category of pathogenic organisms that can infect humans. They can live on or in their hosts and derive nutrients at the host's expense. Common parasitic infections include malaria, caused by Plasmodium species, and giardiasis, caused by Giardia lamblia. These infections can have serious health implications, especially in developing countries where access to clean water and healthcare may be limited. Preventive measures, such as using insect repellent to avoid mosquito bites or ensuring clean drinking water, are critical in controlling pathogenic parasites.In conclusion, the study of pathogenic organisms is an essential aspect of microbiology and public health. By understanding how these microorganisms operate, we can develop effective strategies to prevent and treat the diseases they cause. Education about hygiene, vaccination, and preventive measures plays a significant role in reducing the impact of pathogenic agents on society. As we move forward, ongoing research and surveillance will be key in combating emerging pathogenic threats and protecting global health.

病原体是能够在宿主中引起疾病的微生物。术语pathogenic指的是这些生物引起疾病的能力。理解pathogenic因子的性质对公共卫生至关重要，因为如果不加以管理，它们可能导致疫情和流行病。pathogenic生物有多种类型，包括细菌、病毒、真菌和寄生虫。这些类别各自有其引起疾病的机制，并且在传播和疾病严重性方面有所不同。细菌是最常见的pathogenic生物之一。例如，肺炎链球菌（Streptococcus pneumoniae）可导致肺炎，而大肠杆菌（Escherichia coli）则可能导致胃肠感染。这些细菌可以通过受污染的食物或水传播，或通过与感染者的直接接触传播。了解这些pathogenic细菌如何传播对于预防感染至关重要。例如，适当的卫生习惯，如洗手和彻底烹饪食物，可以显著降低细菌感染的风险。病毒是另一类pathogenic因子，可以引起从普通感冒到更严重的疾病（如HIV/AIDS或COVID-19）的广泛疾病。病毒通常需要活的宿主进行复制，这使得它们特别隐蔽。它们可以通过呼吸道飞沫、体液甚至被病毒污染的表面传播。疫苗接种是保护自己免受pathogenic病毒侵害的最有效方法之一，因为它帮助免疫系统识别并抵抗这些入侵者，在它们引起疾病之前。真菌虽然常常被忽视，但也包括一些pathogenic物种，会影响人类。例如，白色念珠菌（Candida albicans）是一种真菌，可能会在免疫功能低下的个体中引起感染。真菌感染可能难以治疗，理解这些生物的pathogenic特性对于有效管理至关重要。治疗通常涉及抗真菌药物，但通过保持健康的免疫系统来预防同样重要。寄生虫是另一类pathogenic生物，可以感染人类。它们可以生活在宿主体内或外部，并以宿主为代价获取养分。常见的寄生虫感染包括由疟原虫（Plasmodium species）引起的疟疾和由贾第虫（Giardia lamblia）引起的贾第虫病。这些感染可能具有严重的健康影响，尤其是在发展中国家，那里的清洁水源和医疗保健可能有限。预防措施，如使用驱蚊剂避免蚊虫叮咬或确保饮用水清洁，对于控制pathogenic寄生虫至关重要。总之，研究pathogenic生物是微生物学和公共卫生的重要方面。通过理解这些微生物的运作方式，我们可以制定有效的策略来预防和治疗它们引起的疾病。关于卫生、疫苗接种和预防措施的教育在减少pathogenic因子对社会影响方面发挥了重要作用。随着我们向前发展，持续的研究和监测将是应对新出现的pathogenic威胁和保护全球健康的关键。