Fig. 4From: High levels of maternally derived antibodies do not significantly interfere with the development of humoral and cell-mediated responses to Porcine circovirus 2 after intradermal vaccinationIndividual responses of PCV2-specific IFN-γ secreting cells as determined by ELISPOT. The graphs show the frequencies of PCV2-specific IFN-γ producing cells only for the vaccinated groupsBack to article page