World's Best Scientists 2026 revealed!
Katsuya Hirai

Katsuya Hirai

D-Index & Metrics

Microbiology

D-Index
48
Citations
5854
World Ranking
4724
National Ranking
192

Overview

Katsuya Hirai is affiliated with Gifu University in Japan. The available data does not include recent papers, co-authors, publication venues, or book publications linked to this researcher.

No specific fields of study, subfields, or main topics of research have been documented. Likewise, there are no recorded awards or honors connected to this individual.

Due to the limited amount of publicly available information, further details on scientific contributions, research focus, or scholarly impact are not accessible at this time.

Best Publications

  • Proposal of Chlamydia pecorum sp. nov. for Chlamydia strains derived from ruminants.

    Hideto Fukushi;Katsuya Hirai

  • Identification of sequence changes responsible for the attenuation of highly virulent infectious bursal disease virus.

    Tsuyoshi Yamaguchi;Motohiko Ogawa;Yasuo Inoshima;Masahiro Miyoshi

  • Clinical Evaluation of a New PCR Assay for Detection of Coxiella burnetii in Human Serum Samples

    G. Q. Zhang;Sa V. Nguyen;H. To;M. Ogawa

  • Isolation of Coxiella burnetii from dairy cattle and ticks, and some characteristics of the isolates in Japan.

    To Ho;Khin Khin Htwe;Naomi Yamasaki;Guo Quan Zhang

  • Sequence and phylogenetic analyses of highly virulent infectious bursal disease virus

    T. Yamaguchi;M. Ogawa;M. Miyoshi;Y. Inoshima

  • Coxiella burnetii Isolates Cause Genogroup-Specific Virulence in Mouse and Guinea Pig Models of Acute Q Fever

    K. E Russell-Lodrigue;K. E Russell-Lodrigue;M Andoh;M. W. J Poels;H. R Shive

  • The immunodepressive effect of infectious bursal disease virus in chickens.

    K Hirai;S Shimakura;E Kawamoto;F Taguchi

  • An etiological investigation of domestic cats with conjunctivitis and upper respiratory tract disease in Japan.

    Yan Cai;Hideto Fukushi;Saori Koyasu;Etsuko Kuroda

  • Gazelle Herpesvirus 1: A New Neurotropic Herpesvirus Immunologically Related to Equine Herpesvirus 1

    Hideto Fukushi;Takako Tomita;Akiko Taniguchi;Yoshitsugu Ochiai

  • Genetic diversity of avian and mammalian Chlamydia psittaci strains and relation to host origin.

    H Fukushi;K Hirai

  • Comparison of Ehrlichia muris Strains Isolated from Wild Mice and Ticks and Serologic Survey of Humans and Animals with E. muris as Antigen

    Makoto Kawahara;Tadahiko Ito;Chiharu Suto;Shinichiro Shibata

  • Organochlorine pesticides and polychlorinated biphenyl congeners in wild terrestrial mammals and birds from Chubu region, Japan: Interspecies comparison of the residue levels and compositions

    H. Hoshi;N. Minamoto;H. Iwata;K. Shiraki

  • Q fever pneumonia in children in Japan.

    H To;N Kako;G Q Zhang;H Otsuka

  • Serological Evidence of Coxiella burnetii Infection in Wild Animals in Japan

    Castor Leo A. Ejercito;Lixun Cai;Khin Khin Htwe;Michihiro Taki

  • Phylogenetic analysis of the genus Chlamydia based on 16S rRNA gene sequences

    Pudjiatmoko;H Fukushi;Y Ochiai;T Yamaguchi

  • Geographic population structure and sequence divergence in the mitochondrial DNA control region of the Japanese wild boar (Sus scrofa leucomystax), with reference to those of domestic pigs

    Naohiko Okumura;Naotaka Ishiguro;Masuo Nakano;Katsuya Hirai

  • Immunochemical diversity of the major outer membrane protein of avian and mammalian Chlamydia psittaci.

    H Fukushi;K Hirai

  • Characterization of Immunosuppression in chickens by infectious bursal disease virus.

    Hirai K;Kunihiro K;Shimakura S

  • SCID mouse model for lethal Q fever.

    Masako Andoh;Takashi Naganawa;Akitoyo Hotta;Tsuyoshi Yamaguchi

  • Incidence of Listeria monocytogenes in wild animals in Japan.

    Tetsuya Yoshida;Tomoaki Sugimoto;Moritoshi Sato;Katsuya Hirai

  • VIRUS REACTIVATION IN BITCHES WITH A MEDICAL HISTORY OF HERPESVIRUS INFECTION

    Okuda Y;Ishida K;Hashimoto A;Yamaguchi T

Frequent Co-Authors

Hideto Fukushi
Hideto Fukushi Gifu University
James E. Samuel
James E. Samuel Texas A&M University
Yasuko Rikihisa
Yasuko Rikihisa The Ohio State University
Hiroshi Kida
Hiroshi Kida Hokkaido University
David N. McMurray
David N. McMurray Texas A&M University
Shinsuke Tanabe
Shinsuke Tanabe Ehime University
Hisato Iwata
Hisato Iwata Ehime University
Yasuyoshi Watanabe
Yasuyoshi Watanabe Osaka Metropolitan University
Takeshi Mikami
Takeshi Mikami University of Tokyo
Takeshi Kurata
Takeshi Kurata Juntendo University

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