Pertussis is an acute respiratory disease caused by Bacillus pertussis infection that is contagious and has typical clinical features.
Pertussis is an infectious disease that is caused by Bacillus pertussis and is commonly seen in infants and young children. The typical clinical presentation is a gradually increasing cough with a chicken-like inspiratory sound, the incubation period is usually 5-21 days, and the duration of the disease is usually 2-3 months. The main sources of infection are patients with pertussis, carriers or latent infections, and the transmission is mainly through the respiratory tract, with infants and young children being the susceptible population. At present, there is a pertussis vaccine available, and the pertussis vaccine can effectively prevent pertussis infection in infancy and early childhood, so there are few pertussis patients.
At present, immunization with the DPT3 vaccine has been implemented in China, but children under seven years of age who have not received the vaccine in the last six months and have been in close contact with patients should be given a booster immunization.