of;
Life;
Science;
and;
Technology,;
Southwest;
University;
for;
Nationalities,;
Chengdu;
610041,;
China;
Animal;
Health;
and;
Epidemiology;
Center,;
Qingdao;
266032,;
China;
H5N1禽流感病毒; 鸡胚成纤维细胞; 病毒感染; 基因表达; 正常化; PCR分析; H5N1病毒; 胚胎成纤维细胞;