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1 April 2003 Presence of Avian Pneumovirus Subtypes A and B in Japan
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Abstract

Four avian pneumovirus (APV) isolates from chickens clinically diagnosed with swollen head syndrome were genetically characterized as to the subtypes of the virus in Japan. The results of reverse transcriptase–polymerase chain reactions based on subtype-specific primers and direct sequence analysis of G genes indicated subtypes A and B but not C or D of APV were present in Japan. Several routes or sources are conceivable for APV to invade into Japan.

Masaji Mase, Shigeo Yamaguchi, Kenji Tsukamoto, Tadao Imada, Kunitoshi Imai, and Kikuyasu Nakamura "Presence of Avian Pneumovirus Subtypes A and B in Japan," Avian Diseases 47(2), 481-484, (1 April 2003). https://doi.org/10.1637/0005-2086(2003)047[0481:POAPSA]2.0.CO;2
Received: 16 August 2002; Published: 1 April 2003
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