Additional file 1: Table S1. of Expression of chicken interleukin-2 by a highly virulent strain of Newcastle disease virus leads to decreased systemic viral load but does not significantly affect mortality in chickens

Summary of clinical signs and mortality in 4-week-old chickens infected with rZJ1-GFP, rZJ1-IL2, and BHI. Numbers in the cells represent the percentages of birds presenting the clinical sign over the total birds present in the group at the time. Highlighted cells represent groups where all the animals are dead. (XLSX 13 kb)