Chronic hepatitis b is caused by persistent infection with the hepatitis b virus 乙型肝炎病毒持續(xù)感染是慢性乙型肝炎發(fā)病的主要原因。
Besides clinically observed diarrhea , it frequently causes fever , oral , ulceration , caugh , leukemia and persistent infection in some cases Bvdv基因組包括一個正的單鏈rna ,編碼所有的結(jié)構(gòu)蛋白和復(fù)制成分。
The glycoprotein eo of classical swine fever virus ( csfv ) , besides being an envelope protein , possesses knase activity , which is pertinent to viral persistent infection in the host 豬瘟病毒( classicalswinefevervirus , csfv ) eo糖蛋白既是包膜蛋白,又是一種核酸酶,其活性對病毒在宿主體內(nèi)的持續(xù)感染有直接關(guān)系。
Construction and packing of replication - defective adenovirus vectors expressing hcv structural proteins will play an important role in research of hcv and vaccination . hcv infection often result in persistent infection 構(gòu)建并包裝表達(dá)hcv結(jié)構(gòu)基因的復(fù)制缺陷型腺病毒載體,在丙型肝炎的防治和hcv的研究中具有重要意義。
Equine infectious anemia virus ( eiav ) , a macrophage - tropic lentivirus , causes persistent infections of horses characterized by rapid development of acute disease and following a long chronic and persistent phase 馬傳染性貧血病毒( equineinfectiousanemiavirus , eiav )是反轉(zhuǎn)錄病毒科慢病毒屬的重要成員,是引起馬屬動物傳染性貧血病的病原。