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The Porcine Reproductive and Respiratory Syndrome (PRRS) is an economically significant disease that affects the pig industry globally. This section reviews the latest new features on this disease.

PRRS

Diagnosis of PRRS

Figure 1. Gross lung lesion

Any tentative clinical diagnosis then should be confirmed by detection of PRRSV (infectious virus, viral antigens and/or viral genomic material) in affected pigs using laboratory methods in conjunction with typical lesions.

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Highly Pathogenic PRRS (HP-PRRS) in Asia

Pigs affected by the HP-PRRSV

A lot of work needs to be done for controlling HP-PRRS completely. The implementation of proper regional control and eradication programs against PRRS is necessary in China and the Asian countries. Meanwhile, the increasing diversity of the PRRSV should be taken into consideration for developing more effective and safe vaccines.

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