Vaccines against porcine parvovirus and porcine reproductive respiration syndrome virus, and how to make them

摘要

The present invention relates to a porcine parvovirus and porcine reproductive and respiratory syndrome virus vaccine for protecting a subject, preferably swine, against diseases associated with porcine parvovirus and porcine reproductive and respiratory syndrome virus. The present invention further relates to methods of producing immunogenic compositions as well as such immunogenic compositions exhibiting reduced virucidal activity.