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Figure 3 | Veterinary Research

Figure 3

From: Evaluation of immunogenicity and cross-reactive responses of  vaccines prepared from two chimeric serotype O foot-and-mouth disease viruses in pigs and cattle

Figure 3

Electron microscopy of FMDVs. The mutant viruses and the wt virus (fifth passage) were cultured in adherent BHK-21 cells and harvested after the occurrence of 100% CPE. The virus particles were isolated by sucrose density gradient centrifugation and observed by negative-stain electron microscopy. A rHN/NXVP1, B rHN/TURVP1, C rHN. Bar = 100 nm.

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Veterinary Research

ISSN: 1297-9716