Most people who contracted the disease were unvaccinated and some state legislatures are now considering whether to curtail nonmedical vaccine exemptions.
After attacks on two Ebola treatment centers in Democratic Republic of Congo last week, Doctors Without Borders says public health workers are “failing” to control the epidemic.
Results from an observational study find that the introduction of a routine vaccine in Australia coincided with a fall in the incidence of the autoimmune condition.
The person, whose identity has not been revealed, may have been exposed to the virus in Democratic Republic of Congo and is now at the University of Nebraska Medical Center.
Scientists debate why the number of whooping cough cases is up, and whether the effectiveness of a vaccine introduced within the last two decades is to blame.