heptavalent

简明释义

[ˌheptəˈveɪlənt][ˈheptəˌveɪlənt]

[化学] 七价的

英英释义

Having a valence of seven, typically referring to an ion or molecule that can form seven bonds with other atoms.

具有七个价的,通常指能够与其他原子形成七个键的离子或分子。

单词用法

heptavalent vaccine

七价疫苗

heptavalent antibody

七价抗体

heptavalent conjugate vaccine

七价结合疫苗

heptavalent streptococcus pneumoniae vaccine

七价肺炎链球菌疫苗

同义词

seven-valent

七价的

The heptavalent vaccine offers protection against seven different strains of a virus.

七价疫苗可提供对七种不同病毒株的保护。

heptavalency

七价性

Heptavalency is an important concept in immunology, particularly for vaccine development.

七价性是免疫学中的一个重要概念,尤其是在疫苗开发中。

反义词

monovalent

单价的

Monovalent vaccines are designed to protect against a single strain of a virus.

单价疫苗旨在保护免受单一病毒株的感染。

divalent

双价的

Divalent antibodies can bind to two different antigens.

双价抗体可以结合两种不同的抗原。

例句

1.A tetravalent meningococcal meningitis vaccine (licensed in the United States) and a heptavalent vaccine protecting against meningitis A and C (to be licensed in 2007);

一种四价流行性脑脊髓膜炎疫苗(已在美利坚合众国获许可证)和一种预防脑膜炎A和C的七价疫苗(将于2007年注册);

2.A tetravalent meningococcal meningitis vaccine (licensed in the United States) and a heptavalent vaccine protecting against meningitis A and C (to be licensed in 2007);

一种四价流行性脑脊髓膜炎疫苗(已在美利坚合众国获许可证)和一种预防脑膜炎A和C的七价疫苗(将于2007年注册);

3.A heptavalent vaccine protecting against meningitis A and C was licensed in 2007.

预防甲型和丙型脑膜炎的七价疫苗于2007年获得许可。

4.The heptavalent pneumococcal vaccine has been shown to reduce the incidence of pneumonia.

研究表明,七价肺炎球菌疫苗可以降低肺炎的发生率。

5.The new vaccine is a heptavalent formulation that protects against seven strains of the virus.

这种新疫苗是一种七价配方,可以防护七种病毒株。

6.The introduction of the heptavalent vaccine has significantly decreased the number of serious infections.

引入七价疫苗后,严重感染的数量显著减少。

7.Researchers are studying the effectiveness of a heptavalent vaccine in preventing bacterial infections.

研究人员正在研究一种七价疫苗在预防细菌感染方面的有效性。

8.In clinical trials, the heptavalent vaccine demonstrated a high level of protection.

在临床试验中,七价疫苗表现出高水平的保护效果。

作文

In the field of immunology, vaccines play a crucial role in preventing infectious diseases. One particularly interesting type of vaccine is the heptavalent vaccine. The term heptavalent refers to a vaccine that is designed to protect against seven different strains or types of a pathogen. This multi-strain approach is especially useful in combating diseases that are caused by various serotypes of a virus or bacteria. For example, the heptavalent pneumococcal vaccine protects against seven strains of the Streptococcus pneumoniae bacterium, which can lead to serious illnesses such as pneumonia, meningitis, and sepsis.The development of heptavalent vaccines has significantly advanced public health efforts. By targeting multiple strains simultaneously, these vaccines reduce the incidence of disease more effectively than single-strain vaccines. This is particularly important for pathogens that exhibit high variability, as seen in influenza viruses or certain bacterial infections. For instance, the use of a heptavalent vaccine can help ensure that a larger portion of the population is immunized against the most prevalent strains, thereby achieving herd immunity.Moreover, the heptavalent approach can also lead to cost savings in healthcare. Vaccination programs that utilize a heptavalent vaccine may require fewer doses and less follow-up, which can alleviate the burden on healthcare systems. Additionally, when fewer people contract preventable diseases, the overall costs associated with treatment and hospitalization decrease.However, the development of heptavalent vaccines is not without its challenges. Creating a vaccine that is effective against multiple strains requires extensive research and testing to ensure that it elicits a strong immune response against each targeted strain. Furthermore, the potential for changes in circulating strains over time means that continuous monitoring and updates to the vaccine may be necessary. This dynamic nature of pathogens underscores the importance of ongoing research in vaccine development.In summary, heptavalent vaccines represent a significant advancement in the fight against infectious diseases. By providing protection against multiple strains, they enhance the effectiveness of vaccination programs and improve public health outcomes. As research continues to evolve, the potential for new heptavalent vaccines to emerge will likely expand, offering hope for better prevention strategies against a variety of diseases. The importance of understanding and utilizing heptavalent vaccines cannot be overstated, as they play a vital role in safeguarding the health of communities worldwide.

在免疫学领域,疫苗在预防传染病方面发挥着至关重要的作用。其中一个特别有趣的疫苗类型是heptavalent疫苗。术语heptavalent指的是一种旨在保护七种不同菌株或类型病原体的疫苗。这种多菌株的方法在对抗由多种血清型病毒或细菌引起的疾病时尤其有效。例如,heptavalent肺炎球菌疫苗可保护七种肺炎链球菌(Streptococcus pneumoniae)菌株,这些菌株可能导致肺炎、脑膜炎和脓毒症等严重疾病。heptavalent疫苗的发展显著推动了公共卫生工作。通过同时针对多种菌株,这些疫苗比单一菌株疫苗更有效地减少疾病发生。这对于那些表现出高度变异性的病原体尤为重要,如流感病毒或某些细菌感染。例如,使用heptavalent疫苗可以确保更大比例的人口接种最普遍的菌株,从而实现群体免疫。此外,heptavalent方法还可以带来医疗成本节约。利用heptavalent疫苗的疫苗接种计划可能需要更少的剂量和随访,从而减轻医疗系统的负担。此外,当更少的人感染可预防的疾病时,与治疗和住院相关的整体费用也会降低。然而,heptavalent疫苗的开发并非没有挑战。创造一种对多种菌株有效的疫苗需要广泛的研究和测试,以确保其能对每种目标菌株产生强烈的免疫反应。此外,随着循环菌株随时间的变化,可能需要持续监测和更新疫苗。这种病原体的动态特性强调了疫苗开发中持续研究的重要性。总之,heptavalent疫苗代表了对抗传染病的一项重大进展。通过提供对多种菌株的保护,它们增强了疫苗接种计划的有效性,并改善了公共卫生结果。随着研究的不断发展,新heptavalent疫苗的潜力可能会扩大,为各种疾病提供更好的预防策略。理解和利用heptavalent疫苗的重要性不容小觑,因为它们在保护全球社区健康方面发挥着至关重要的作用。