• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index

Vaccination is the process of producing immunity against a disease by exposing individuals to weakened, dead, or closely related (but relatively harmless) versions of the pathogen that causes this disease. With the advent of widespread vaccination within populations, rates of ...

Loading
  • Loading...
locked icon

Sign in to access this content

Get a 30 day FREE TRIAL

  • Watch videos from a variety of sources bringing classroom topics to life
  • Read modern, diverse business cases
  • Explore hundreds of books and reference titles