All articles
Vaccination
Imperfect vaccines and the evolution of pathogen virulence – (12-17-01)
James Bogash
Imperfect vaccines and the evolution of pathogen virulence
This issue has been of some concern lately, especially with the measles vaccine. The body’s immunity to an infection (active immunity) is much stronger than that derived from vaccination (passive immunity). This could cause problems if a particularly virulent strain of infectious disease comes along that the passive immunity is not strong enough to handle.
