Dr. Gerard Martín Valls

IntroductionThe emergence of Porcine reproductive and respiratory syndrome virus in the 1980s and early 1990s was a turning point in the ways in which diseases were dealt with in pig farms. The impact of the disease, its rapid spread worldwide (by 1993 the infection was present in America, Europe and Asia) and the unusual features of the virus made evident that a vaccine was urgentl ...