In 2010, California suffered the largest and deadliest outbreak of pertussis, also known as “whooping cough,” in more than fifty years. This tragedy was avoidable. An effective vaccine has been available since the 1940s.... Zobraziť viac
In 2014, California suffered the largest and deadliest outbreak of pertussis, also known as "whooping cough," in more than fifty years. This tragedy was avoidable. An effective vaccine has been available since the 1940s... Zobraziť viac
