noun
- substances containing weakened or killed germs that are given to people or animals to prevent disease
Usage: plural of vaccine
Examples
- Children receive vaccines to protect them from measles and polio.
- The flu vaccines are updated each year to match new virus strains.
- Many vaccines require multiple doses to be fully effective.
- Travelers to certain countries need specific vaccines before departure.
- The development of COVID-19 vaccines was completed in record time.
- Some vaccines provide lifelong immunity while others need boosters.