An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Ono M, Katsuragi-Iwanaga R, Kitazawa T, Kamiya N, Horimoto T, Niikura M, Kai C, Hirai K, Mikami T.Ono M, et al. Among authors: hirai k.Virology. 1992 Nov;191(1):459-63. doi: 10.1016/0042-6822(92)90210-g.Virology. 1992.PMID: 1329331
Endoh D, Niikura M, Hirai K, Inagaki N, Hayashi M, Nakajima K, Sato F.Endoh D, et al. Among authors: hirai k.J Vet Med Sci. 1994 Oct;56(5):823-6. doi: 10.1292/jvms.56.823.J Vet Med Sci. 1994.PMID: 7865579
Iwata A, Ueda S, Ishihama A, Hirai K.Iwata A, et al. Among authors: hirai k.Virology. 1992 Apr;187(2):805-8. doi: 10.1016/0042-6822(92)90483-6.Virology. 1992.PMID: 1312278
Zhu GS, Iwata A, Gong M, Ueda S, Hirai K.Zhu GS, et al. Among authors: hirai k.Virology. 1994 May 1;200(2):816-20. doi: 10.1006/viro.1994.1249.Virology. 1994.PMID: 8178465