Fig. 1From: In the presence of non-neutralising maternally derived antibodies, intradermal and intramuscular vaccination with a modified live vaccine against porcine reproductive and respiratory syndrome virus 1 (PRRSV-1) induce similar levels of neutralising antibodies or interferon-gamma secreting cellsProportion of PCR-positive pigs for PRRSV at different time-points after vaccination. Differences between groups were non-significantBack to article page