The PRRS-Virus in the Lung

PRRSV destroy the pig’s lung defence system. You can observe how this happens impressively. The lung defence system, the macrophages are attacked and destroyed. Thereby, the PRRS virus multiplies explosively.

The organism requires weeks in order to fully regenerate. Until then, the lung is incapable of defending itself from other intruding respiratory tract pathogens. Its function as a forerunner is what makes the PRRS virus so significant to lung health.