Vaccines provide long-term immunity and prevent epidemics and pandemics. When a significant portion of the population is vaccinated, herd immunity is established, protecting the non-immune and limiting disease spread.
Las vacunas proporcionan inmunidad a largo plazo y previenen epidemias y pandemias. Cuando una parte significativa de la población está vacunada, se establece la inmunidad colectiva, protegiendo a los no inmunes y limitando la propagación de enfermedades.
| Front | vaccine immunity, pan/epidemics and herd immunity 4.1.1(l) |
|---|---|
| Back | vaccine gives long term immunity and prevents epidemics (when disease spreads rapidly at local/national level), pandemic is when same disease spreads rapidly accross number of countries, vaccination prevents disease spreading into wider pop, when sig number of people in pop vaccinated, protection given to those without immunity (herd immunity) |
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