Deliberate infection of humans with smallpox, also known as variolation, was a common
practice in Asia and dates back to the fifteenth century. The world's first human vaccination …

Porcine reproductive and respiratory syndrome virus (PRRSV)‐1 and PRRSV‐2 have long
been cocirculating in China. To date, all PRRSV‐1 strains in China have been classified as …

Porcine reproductive and respiratory syndrome virus (PRRSV) remains widespread in the
North American pig population. Despite improvements in virus characterization, it is unclear …

Due to the high incidence of PRRSV mutation and recombination, PRRSV infection is
difficult to prevent and control in China and worldwide. Two species of PRRSV …

Porcine reproductive and respiratory syndrome (PRRS) is among the most devastating
diseases affecting the pig industry. Despite vaccines having been available for decades, the …

Reproductive disorders induced by porcine reproductive and respiratory syndrome virus
(PRRSV) cause high economic losses in the pig industry worldwide. In this study, we aimed …

Analyses of livestock movement networks has become key to understanding an industry's
vulnerability to infectious disease spread and for identifying farms that play disproportionate …

Porcine reproductive and respiratory syndrome (PRRS) is one of the main diseases of pigs,
leading to large economic losses in swine production worldwide. PRRSV high mutation rate …

PRRSV is one of the most important viruses in the global swine industry and is often
controlled by the use of modified live virus (MLV) vaccines. This study assessed the impact …

The objectives of the present study were to evaluate the immune response of six commercial
vaccines against PRRSV-2 and PCV2, administered as monovalent or combined products …