Due to the wide vaccination coverage over the past 25 years the incidence of pertussis in Kazakhstan among the adult population declined 7.6%, among children is 7.5.
In 2015 was registered 74 cases of pertussis in the adult population (incidence rate per 100 thousand population amounted to 0,43), compared to 562 cases in 1991 (indicator per 100 thousand population – 3,34). Also 2015 was registered 74 cases of pertussis among children (incidence rate per 100 thousand population to 1.63), compared to 555 cases in 1991 (indicator per 100 thousand population – 10.4).
Whooping cough – acute antropologia bacterial infection, transmitted by airborne droplets, characterized by intoxication, spasmodic fits of coughing and vomiting. Very dangerous for children under 2 years.
The only source of infection is a sick person. All people (children and adults) are very susceptible to whooping cough. In the absence of immunity, the probability of getting sick after contact with the patient reaches 100%. However, to become infected with whooping cough is possible only in close contact with sick, as the pathogen persists more than 2-3 meters.
The average incubation period is 5-9 days, but can range from 3 to 20.
Particularly hard with a significant mortality, whooping cough in children during the first months of life. In infants after a couple of aftershocks cough may occur short-term respiratory arrest (from several seconds to several minutes or more), which can be life-threatening. Frequent complications such as pneumonia (pneumonia) and encephalopathy (changes in the brain that are due to the occurrence of seizures can lead to death or to leave behind a persistent damage deafness or seizures).
The main method of preventing disease in children is vaccination.
Nowadays, the well established combination of valence 5 (Pertussis, diphtheria, tetanus, polio, Haemophilus influenzae type b) and 6 valent vaccine (Pertussis, diphtheria, tetanus, polio, Haemophilus influenzae type b, hepatitis b). Failure to vaccinate can lead to the accumulation of susceptible individuals and cause outbreaks.