Clinical manifestations of respiratory infectious bronchitis Lub sij hawm incubation yog 36 teev los yog ntev dua. Nws kis tau sai ntawm cov qaib, muaj qhov pib mob hnyav, thiab muaj qhov tshwm sim siab. Cov qaib ntawm txhua lub hnub nyoog tuaj yeem kis tau, tab sis cov menyuam qaib hnub nyoog 1 txog 4 hnub yog qhov hnyav tshaj plaws, nrog rau cov neeg tuag ntau ...
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