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Fig. 4 | BMC Veterinary Research

Fig. 4

From: Efficacy of live attenuated porcine reproductive and respiratory syndrome virus 2 strains to protect pigs from challenge with a heterologous Vietnamese PRRSV 2 field strain

Fig. 4

Pulmonary lesions in pigs challenged with an HP PRRSV 2 field strain. a: pig from group 1 (vaccinated) without inflammatory alterations (score 0); b: pig from group 2 (non-vaccinated) showing moderate multifocal lymphohistiocytic interstitial pneumonia with peribronchial and perivascular accentuation (score 2); c: pig from group 2 displaying moderate diffuse lymphohistiocytic interstitial pneumonia with peribronchial, perivascular and intralobular accentuation (score 3). Microphoto; H&E-staining; Bar = 200 μm

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BMC Veterinary Research

ISSN: 1746-6148

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