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Vaccine

UK //ˈvæksiːn// US //ˈvæksin// Pronunciation

Definition

A biological substance that provides immunity against specific diseases.

Listen to definition

In simple words: A substance given to protect from diseases.

Examples

• The flu vaccine helps protect you from getting sick.
• Many countries are rolling out COVID-19 vaccines to their populations.
• Children are usually given vaccines during their regular health check-ups.
• The new vaccine showed promising results in clinical trials.
• Healthcare workers recommend getting vaccinated each year.
• The vaccine has significantly reduced the number of infections.
• It's important to educate the public about the benefits of vaccines.
• Many people experienced side effects after receiving the vaccine.

Usage notes

Used in both healthcare and general discussions. Avoid using in overly casual contexts where it may seem trivial.

Grammar pattern

administer + object

Memory hint

Imagine 'vac' as in vacation for health, because vaccines keep you safe.

Collocations

• administer a vaccine
• get vaccinated
• vaccine rollout
• effective vaccine

Synonyms

• inoculation
• immunization
• jab
• shot

Common mistakes

• Confusing with 'vaccination', which refers to the process.
• Using 'vaccine' as a verb; it only functions as a noun.
• Mixing up types of vaccines (e.g., flu vs. COVID-19).