Definition of Vaccine
Quick Meaning of Vaccine
A vaccine is a medicine that teaches your body to fight a disease. It prevents you from getting sick.
Detailed Definition of Vaccine
A biological preparation that provides active acquired immunity to a particular disease by stimulating the production of antibodies.
How to Pronounce Vaccine
Stress pattern: oO (2-syllable word).
Tip: Two syllables: vak-SEEN. Stress the second syllable. The 'cc' sounds like 'k'.
Watch out: Sometimes VAK-seen with stress on first syllable. Correct: vak-SEEN (second).
Origin and Etymology of Vaccine
From Latin 'vaccinus' (of a cow), from cowpox vaccine development. Related to 'cow'—Edward Jenner used cowpox virus.
How to Use Vaccine in a Sentence
Each example shows “vaccine” with a CEFR level so learners can pick examples that match their fluency.
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“The doctor gave her a vaccine to protect against pneumonia.”
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“New vaccines are developed every year for the flu.”
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“Clinical trials ensure vaccine safety and effectiveness before public distribution.”
Synonyms and Antonyms of Vaccine
Common Synonyms for Vaccine
Smart Synonyms for Vaccine — When to Use Each
- vaccine
- Medical preparation stimulating immune protection
- inoculation
- Process of introducing vaccine into body
- preventive medicine
- Treatment to prevent disease before infection
Antonyms of Vaccine
Common Collocations with Vaccine
These phrases pair with “vaccine” in everyday English:
- get a vaccine
- vaccine shot
- vaccine dose
- develop a vaccine
- vaccine side effects
Common Mistakes When Using Vaccine
Even fluent speakers slip up with “vaccine”. Here’s how to avoid the most common errors:
- ✗ Wrong: Vaccines can give you the disease they prevent.
- ✓ Correct: Most vaccines contain inactivated virus/bacteria; they cannot cause disease.
- Why: Vaccines are designed to stimulate immunity without causing infection. Some mild symptoms may occur (body's response).
- ✗ Wrong: One vaccine dose gives permanent immunity.
- ✓ Correct: Some vaccines need multiple doses or boosters for full and lasting protection.
- Why: Immunity requires sufficient antibody development. Multiple doses or boosters ensure adequate protection.
- ✗ Wrong: All vaccines are made from live viruses.
- ✓ Correct: Vaccines use various methods: inactivated, weakened, mRNA, or protein subunits.
- Why: Modern vaccines use different technology. Not all contain live or weakened pathogens.
Words Confused With Vaccine
- Vaccine vs Medicine: Vaccine prevents disease. Medicine treats existing disease.
- Vaccine vs Antibiotic: Vaccine prevents bacterial/viral infection. Antibiotics treat active infections.
Other Forms of Vaccine
- Noun: vaccine
Frequently Asked Questions About Vaccine
What is the meaning of "Vaccine"?
A vaccine is a medicine that teaches your body to fight a disease. It prevents you from getting sick.
How do you pronounce "Vaccine"?
The IPA is /vækˈsiːn/. Two syllables: vak-SEEN. Stress the second syllable. The 'cc' sounds like 'k'.
What part of speech is "Vaccine"?
"Vaccine" is a noun at B1 level (Common European Framework).
What are synonyms for "Vaccine"?
Common synonyms include immunization, vaccination shot, preventive medicine.
How do you use "Vaccine" in a sentence?
For example: "The doctor gave her a vaccine to protect against pneumonia."