https://www.healthline.com/health/croup-vs-whooping-cough
Croup vs. Whooping Cough: Differences, Similarities, and More
Dec 9, 2020 - Croup and whooping cough are respiratory illnesses that may occur in people of any age. Learn more about their individual causes, treatments, prevention, and...
whooping coughand morecroupvsdifferences
https://kidshealth.org/en/parents/croup.html
Croup | Nemours KidsHealth
Croup often causes kids to have a loud cough that sounds like a seal barking. Most cases of croup are caused by viruses, are mild, and can be treated at home.
nemours kidshealthcroup