Melissa Conrad Stöppler, MD
Melissa Conrad Stöppler, MD
Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.
In this Article
How long does the whooping cough vaccine last?
Receiving the vaccine or having the disease does not ensure lifelong protective immunity against pertussis. Immunity to the bacteria decreases after five to 10 years following administration of the vaccine. Therefore older children, adolescents and adults are at risk of becoming infected with pertussis and need vaccination. Vaccinating adults is also important because adults can serve as a source of infection for infants, who are at particular risk of having severe illness and serious complications from pertussis.
Those who have been vaccinated and still become ill, however, have a lower risk of complications and often experience less severe symptoms. In most cases, the duration of the cough is shorter and coughing fits are less frequent than in unvaccinated people.
What is the incubation period for whooping cough?
The incubation period, or the time frame in which symptoms develop, is longer than that for the common cold and most upper respiratory infections. Typically, signs and symptoms develop within seven to 10 days of exposure to pertussis, but they may not appear for up to three weeks after the initial infection.
What are whooping cough symptoms, signs, and stages?
The first stage of whooping cough is known as the catarrhal stage. In the catarrhal stage, which typically lasts from one to two weeks, an infected person has symptoms characteristic of an upper respiratory infection, including
It is important to note that particularly during this early phase of infection, individuals may believe they have a common cold and may not be aware that they are infected with the pertussis bacterium.
The cough gradually becomes more severe, and after one to two weeks, the second stage begins. It is during the second stage (the paroxysmal stage) that the diagnosis of whooping cough usually is suspected. The following characteristics describe the second stage:
The third stage of whooping cough is the recovery or convalescent stage. In the convalescent stage, recovery is gradual. The cough becomes less paroxysmal and usually disappears over two to three weeks; however, paroxysms often recur with subsequent respiratory infections for many months.
Medically Reviewed by a Doctor on 9/28/2015
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