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The open reading frame 3 (ORF3) of porcine circovirus type 2 (PCV2) is dispensable for virus infection but evidence of reduced pathogenicity is limited in pigs infected by an ORF3-null PCV2 mutant

Reduced PathogenicityMolecular VirologyOrf3-null Pcv2 MutantVirus InfectionPathogenesisPathologyVirologyPorcine DiseaseInfection ControlMedicineAnimal Virus