vaccine Definition
a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease.
Using vaccine: Examples
Take a moment to familiarize yourself with how "vaccine" can be used in various situations through the following examples!
Example
The flu vaccine is recommended for everyone over six months of age.
Example
The measles vaccine has been very effective in preventing outbreaks.
Example
The COVID-19 vaccine was developed in record time.
Example
The polio vaccine was one of the most important medical breakthroughs of the 20th century.
vaccine Synonyms and Antonyms
Synonyms for vaccine
Phrases with vaccine
the reluctance or refusal to be vaccinated or to have one's children vaccinated, despite the availability of vaccines
Example
Vaccine hesitancy is a growing concern among public health officials.
an additional dose of a vaccine given after an earlier dose, to increase or renew immunity
Example
Some vaccines require booster shots to maintain immunity over time.
a vaccine made from live, weakened viruses or bacteria that can still replicate and cause an immune response, but not the disease itself
Example
The oral polio vaccine is a live vaccine that has been very effective in eradicating the disease.
Origins of vaccine
from Latin 'vacca' meaning 'cow', referring to the original use of cowpox virus in the smallpox vaccine
Summary: vaccine in Brief
A 'vaccine' [vak-seen] is a substance that stimulates the production of antibodies and provides immunity against one or several diseases. It is made from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease. Examples include the flu vaccine, the measles vaccine, and the COVID-19 vaccine. 'Vaccine' extends into phrases like 'vaccine hesitancy,' denoting reluctance or refusal to be vaccinated, and 'booster vaccine,' which renews immunity.