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Table 3 Number of chickens per group where virus nucleoprotein was detected by IHC at different time points post inoculation (hpi).

From: Highly pathogenic or low pathogenic avian influenza virus subtype H7N1 infection in chicken lungs: small differences in general acute responses

Tissue Cranial (hpi) Caudal (hpi)
  4 8 16 24 4 8 16 24
Lung         
LPAI 1 0 1 5 0 0* 4 3
HPAI 1 3 6 6 0 1* 6 6
Trachea         
LPAI 0 0 3 4 0 2* 2* 4
HPAI 0 3 5* 6 0 3 5* 5
Airsac         
LPAI 0 2 1** 2     
HPAI 0 3 0** 4     
  1. N = 6 if not specified otherwise; * n = 5; ** n = 4