walk-in-clinic

a place where you can get help when you don't have a family doctor, or when you can't get an appointment with your family doctor

walk-in-clinics are not for medical emergencies

warning sign

signals that something may be wrong, for example pain or a fever

wheeze

a course whistling sound when you breathe

whooping cough (pertussis)

disease of your lungs

a disease caused by bacteria that infects your lungs and airways. Pertussis causes serious coughing fits that can lead to choking or vomiting. The coughing can be so intense that a “whooping” sound happens when an infected person tries to catch his or her breath. This is why pertussis is commonly known as whooping cough