Prior to a rise that started in the late 1980s and culminated in the 2012 spike, case counts had routinely been in the low triple digits since a steep decline over the 1940s and 1950s. As a result, if ...

Washington is not alone in its sharp rise of the highly contagious bacterial infection this year. It's been an unusually bad year for whooping cough in the United States, which has counted more than ...

Erie County saw its largest pertussis outbreak since at least 2012 when 15 people tested positive in September for the vaccine-preventable bacterial illness commonly known as whooping cough. By ...

Though rates of the illness had been low since the onset of the pandemic, the number of reported cases this year — almost 20,000 — is similar to pre-pandemic levels.