Whooping cough in adults may create symptoms like in children. At the first stage, the disease develops cold-like signs such as runny nose, low-grade fever, sore throat, watery eyes, and mild cough. Although it severity may be milder than in infants or kids, the interval of the second stage of the disease last just as long as in kids. Not all adults with pertussis creates whooping noise, according to medicine.com, it’s only 20-40 percent of adults with pertussis that show the whoop sound.
Bordetella pertussis bacteria as the main reason of getting whooping cough can infect adults who didn’t get the vaccine in the past. Those who get the vaccine in their childhood may also infected by the disease since the immunity from pertussis vaccine decrease over the time. This is why adults that have infants or babies around them, they are strongly suggested to get the vaccine shoots. Infected adults are very contagious and have great risk to spread the disease to children around them.