TABLE 1.

Mean nasal turbinate score and percentage of the lung affected by pneumonia at necropsy, 4 weeks after inoculation

ExptMean turbinate score (range)aMean percentage of pneumoniab
1
    B58 (DNT+)8.80 (3–13)14.2
    B58GP (DNT)0.33 (0–1)0
    P0.0110.071
2
    KM22 (DNT+)8.00 (8)16.8
    KB24 (DNT)0.75 (0–4)<1
    P0.000030.0031
  • a Turbinate score: 0 to 2, normal; 3 to 6, mild atrophy; 7 to 10, moderate atrophy; 11 to 16, severe atrophy. See Materials and Methods for an explanation of the determination of scores.

  • b Lung score: percentage of the lung grossly affected by pneumonia. See Materials and Methods for an explanation of the determination of the percentage.