I-bronchitis ethathelwanayo yenkukhu

1. Izici ze-Etiological

1. Izimfanelo nezigaba

Igciwane le-bronchitis elithathelwanayo lingelomndeni i-Coronaviridae kanti uhlobo lwe-coronavirus luyingxenye yegciwane le-bronchitis elithathelwanayo.

2. I-Serotype

Njengoba isakhi sofuzo se-S1 sithambekele ekuguqukeni ngokushintshashintsha, ukufakwa, ukususwa, nokuhlanganiswa kabusha kofuzo ukuze kukhiqizwe ama-serotypes amasha egciwane, igciwane le-bronchitis elithathelwanayo lishintsha ngokushesha futhi libe nama-serotypes amaningi. Kunama-serotypes ahlukene angama-27, amagciwane ajwayelekile afaka iMisa, iConn, iGrey, njll.

3. Ukwanda

Igciwane likhula ku-allantois yemibungu yenkukhu enezinsuku eziyi-10-11, futhi ukukhula komzimba wombungu kuvinjelwe, ikhanda ligobile ngaphansi kwesisu, izimpaphe zifushane, ziwugqinsi, zomile, i-amniotic fluid incane, futhi ukukhula komzimba wombungu kuvinjiwe, kwakha “umbungu omncane”.

4. Ukumelana

Igciwane alinakho ukumelana okuqinile nezwe langaphandle futhi lizofa lapho lishise libe ngu-56°C/15 imizuzu. Nokho, ingaphila isikhathi eside emazingeni okushisa aphansi. Isibonelo, ingaphila iminyaka engu-7 ku -20°C neminyaka engu-17 ku -30°C. Izibulala-magciwane ezisetshenziswa kakhulu ziyazwela kuleli gciwane.