__Kókjótel__ - bul joǵary tynys alý joldarynyń juqpaly ınfektsııasy  (Borde-Jangý nemese parakoklıýsh bakterııasy ). Ol ásirese jutqynshaqtyń artqy jaǵyna ornalasqan muryn joldarynda paıda bolady. Infektsııadan joǵary tynys alý joldary titirkenip, tynys alý barysynda qatty jótel qysyp, qyryldaǵan nemese úrgen daýys qosa shyǵady.