4、Immune Effect of Levamisole on Inactive Vaccine of H9N2 Avian Influenza
8、Research on multiplication of the H9N2 subtype avian influenza virus in large-scale microcarrier-based MDCK cell culture system
12、Isolation and Identification of a Duck Parvovirus and Sequence Analysis of ns Gene and Sequencing of the Genome of an H9N2 Avian Influenza Virus;
16、基因分析顯示H9N2病毒有35基因型，其中14個基因型以前沒有被識別過。
2、This is the second time H9N2 viruses have been isolated from humans in Hong Kong SAR.
7、Analysis of the hemagglutinin genes of four avian influenza viruses of H9N2 subtype isolated from northern China
13、*此前曾發生過4例人感染H9N2禽流感病例，後4名患者都已痊癒。
18、H9N2亞型禽流感病毒在全世界範圍內廣泛流行，不僅給養禽業造成了巨大的經濟損失，而且對人類健康造成威脅。
6、Sequence Analysis of HA Gene from Three H9N2 Avian Influenza Viruses
14、The Diversity Study of Antigenic Epitope of Different H9N2 Subtype AIV Strains and Sequence Analysis of NS Gene during 1998-2005;
3、Research of Molecular Epidemiology of H9N2 Avian Influenza Virus in Guangxi;
11、Evolution of H9N2 Influenza Viruses in Mainland China and Construction of H5N1 Avian Influenza Variant as Vaccine Candidate;
5、Cloning of NS Gene of H9N2 Subtype of Avian Influenza and Construction of Recombinant Expression Vector;
17、然而，直到1999年H9N2病毒的遺傳進化沒有在其他不同的禽類中被系統的發現。
15、他們所感染的病毒與從*市場家禽身上取得的化驗樣本分離出的H9N2流感病毒有密切的關係。
1、Molecular Evolution of Eurasian H9N2 Subtype Avian Influenza Viruses;
10、Studies on Cloning and Expressing of Major Antigenic Genes of Avian Influenza Virus Subtype H9N2 and Mycoplasma Gallisepticum HS Strain;
9、Genetic analysis revealed 35 genotypes of H9N2 viruses, including 14 novel genotypes that have not been recognized before.
