Review:
Herd Immunity Threshold
overall review score: 4.5
⭐⭐⭐⭐⭐
score is between 0 and 5
Herd immunity threshold is the percentage of a population that needs to be immune to a contagious disease through vaccination or prior infection in order to prevent its spread.
Key Features
- Percentage of population needed for immunity
- Prevention of disease spread
- Vaccination or prior infection
Pros
- Helps protect vulnerable populations
- Reduces the overall spread of contagious diseases
- Encourages vaccination campaigns
Cons
- Relies on a large portion of the population being immune
- Difficult to achieve in practice for some diseases