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H3N2 swine influenza viruses (SIV) were first detected in Asia shortly after the 1968 pandemic emerged in humans. Subsequently, human H3N2 viruses have sporadically reappeared in swine. In Thailand, a human-like H3N2 SIV was reported in 1978 although the genetic sequence of this virus is unknown. In this study, we undertook cross sectional syndromic(More)
We studied the occurrence of swine influenza virus (SIV) infection in piglets with respiratory symptoms resembling porcine respiratory disease complex (PRDC). A total of 106 samples including nasal swab and lung suspension from sick piglets were collected from 30 farms of medium size in the central and eastern parts of Thailand from August 2006 to February(More)
Nonstructural 3ABC protein of foot and mouth disease virus (FMDV) was widely used to differentiate vaccinated from natural FMDV-infected animals. 3ABC is a polyprotein which is auto-processed to 3A, three copies of 3B and 3C(pro) by 3C(pro) protease. The 3ABC gene was cloned and expressed in Escherichia coli as native or mutated 3ABC (mu3ABC) forms.(More)
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