Pertussis, commonly known as whooping cough, is caused by the bacteria Bordetella pertussis, and can lead to severe respiratory complications, especially in infants under one year old.

Washington is among the states reporting the most cases this year, making it advisable for certain groups of people to consider getting an additional shot.

The bacteria are often spread to babies by adults who don’t realize their symptoms are from whooping cough, or who don’t have symptoms at all, said Dr. Schaffner.

Cases of whooping cough, also known as pertussis, in 2024 surpassed totals seen in recent years and marked the highest case count since the COVID-19 pandemic.

Cases of whooping cough, also known as pertussis, in 2024 surpassed totals seen in recent years and marked the highest case count since the COVID-19 pandemic.

Whooping cough cases are on the rise in Mississippi. Where have most cases been reported? What are the symptoms? How to protect yourself and others?

Whooping cough is causing concern in Washington state, with public health officials reporting over 1,000 cases statewide so far in 2025.

The whooping cough was once suppressed by the COVID-19 pandemic. Now, its cases are surging again. Here's what to know.

Whooping cough cases are surging in California with rates returning to pre-pandemic levels, medical experts said.

Louis Pasteur’s breakthrough discoveries unlocked the world of microscopic organisms that live inside our bodies.

Louisiana is seeing a surge in whooping cough cases, particularly among children, according to state health officials. The Louisiana Department of Health identified 164 cases of pertussis, known ...

Whooping cough cases in Louisiana are on track to post a record high for the year - the highest in 35 years. Mirroring national trends, the Louisiana Department of Health is reporting they've ...