foot and mouth disease in the lao people's democratic republic: ii. seroprevalence estimates, using structured surveillance and surveys of abattoirs. | an examination of the seroprevalence of foot and mouth disease (fmd) virus was conducted in the lao people's democratic republic (lao pdr) from 1996 to 2005, using structured surveillance and abattoir-based studies. under structured surveillance, seropositivity ranged from 65.7% (vientiane capital, 1996) to 3% (houaphan, 2005) for cattle and buffalo; and from 2.8% (vientiane capital, 1998) to 0% in separate studies of pigs. in each study, species composition was significantly associated with ser ... | 2008 | 19284052 |