The medical term for whooping cough is pertussis, which is a highly contagious bacterial infection that can be spread through coughing or sneezing.

Massachusetts public health officials are also monitoring an increase in walking pneumonia in recent weeks, particularly among children and young adults. According to the CDC, common symptoms of the illness include cough, fever, headache, and fatigue.

Whooping cough, also known as pertussis, is spreading across Arizona, with cases at their highest levels since 2013, according to data from the Arizona Department of Health Services, which reports 591 cases as of mid-November.

Washington state officials warned of a "sharp increase" in whooping cough cases compared to this time last year, mirroring a nationwide trend.

Washington state is experiencing a spike in whooping cough cases with nearly 1,200 reported cases so far this year, that's up from 51 cases reported last year.

We’re seeing common pre-pandemic illnesses return with a bit of a vengeance,” said Dr. Michael Koster, of Hasbro Children’s Hospital in Providence.

A case of whooping cough has been reported at Lincoln High School. In an email letter sent to all Lincoln families the Sioux Falls School District said: “We have been notified by the Department of Health that a person at Lincoln High School has been diagnosed with pertussis (whooping cough).

Two respiratory illnesses are making their way across the United States.