Featured in whooping cough
More Evidence Shows Whooping Cough Evolving In Response To Its Vaccine
Pertussis vaccines seem to require booster shots sooner than they used to. Could evolution explain why?
Whooping Cough Has Evolved In Response To Its Vaccine
The mutant bacteria are not more dangerous than the originals, but changes found by the CDC could explain the resurgence of whooping cough in the U.S.
FYI: Are Unvaccinated Kids Really Causing The Whooping Cough Resurgence?
Deadly pertussis is on the rise in the U.S., but is it really the fault of the anti-vaccine crowd?