Herd Immunity

C1 8+

Pronunciation: /hɜːrd ɪˈmjuːnəti/

Definitions of herd immunity

noun a form of indirect protection from infectious disease that occurs when a large percentage of a population has become immune to an infection, whether through previous infections or vaccination, thereby providing a measure of protection for individuals who

Example Sentences

A1 Herd immunity is when a large portion of a community becomes immune to a disease.

A2 People are talking about herd immunity as a way to protect the population from getting sick.

B1 Experts believe that achieving herd immunity is crucial in controlling the spread of infectious diseases.

B2 Herd immunity can be achieved through vaccination campaigns and natural immunity from previous infections.

C1 The concept of herd immunity has been a topic of debate among scientists and policymakers during the pandemic.

C2 Public health officials are working towards reaching herd immunity through a combination of vaccination programs and public health measures.

Examples of herd immunity in a Sentence

formal The country is aiming to achieve herd immunity through widespread vaccination.

informal Once enough people are vaccinated, we can reach herd immunity and get back to normal.

slang Hey, have you heard about that herd immunity thing? It's when enough people are immune to a disease.

figurative In the battle against the virus, herd immunity is like having a shield of protection around the community.

Grammatical Forms of herd immunity

past tense

herd immunized

plural

herd immunities

comparative

more herd immune

superlative

most herd immune

present tense

herd immunizes

future tense

will achieve herd immunity

perfect tense

has achieved herd immunity

continuous tense

is achieving herd immunity

singular

herd immunity

positive degree

herd immunity is important

infinitive

to achieve herd immunity

gerund

achieving herd immunity

participle

herd immunity efforts

Origin and Evolution of herd immunity

First Known Use: 1923 year
Language of Origin: English
Story behind the word: The term 'herd immunity' originated from the field of epidemiology and vaccination.
Evolution of the word: Originally used in the context of immunization to describe the protection of a population when a high percentage of individuals are immune to a disease, the term has evolved to also encompass the concept of indirect protection that occurs when a significant portion of a population becomes immune, reducing the likelihood of disease transmission.