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Table 5 Distribution of PRRSV in tissues after the homologous or heterologous challenge by nested RT-PCR or immunohistochemistry (IHC)

From: Characterization of homologous and heterologous adaptive immune responses in porcine reproductive and respiratory syndrome virus infection

  

Nº positives/Nº examined

Experiment

Group

Assay

Lung

Tonsil

Spleen

1

C1 + B

nRT-PCR

0/2

2/2

1/2

IHC

0/2

1/2

0/2

A + A

nRT-PCR

2/4

1/4

1/4

IHC

0/4

1/4

1/4

A + B

nRT-PCR

2/4

4/4*

3/4

  

IHC

0/4

0/4

1/4

2

C2 + A

nRT-PCR

1/3

1/3

0/3

IHC

0/3

0/3

0/3

B + B

nRT-PCR

0/4

2/4

0/4

IHC

0/4

0/4

0/4

B + A

nRT-PCR

0/3

1/3

0/3

  

IHC

0/3

1/3

0/3

  1. *p = 0.07