Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) is a virus that primarily affects pigs, causing significant reproductive and respiratory issues. It leads to symptoms such as fever, coughing, and difficulty breathing in infected animals. The virus can also cause reproductive failures, including stillbirths and low birth weights in piglets. PRRSV is a major concern for the swine industry worldwide, as it can result in substantial economic losses. The virus is transmitted through direct contact with infected animals or contaminated environments. Vaccination and biosecurity measures are essential for managing and controlling the spread of PRRSV on farms.