TY - RPRT TI - Mutation of influenza A virus PA-X decreases pathogenicity in chicken embryos and can increase the yield of reassortant candidate vaccine viruses AU - Hussain, S. AU - Turnbull, M. L. AU - Wise, H. M. AU - Jagger, B. W. AU - Beard, P. M. AU - Kovacikova, K. AU - Taubenberger, J. K. AU - Vervelde, L. AU - Engelhardt, O. G. AU - Digard, P. PY - 2018 DO - 10.1101/409375 UR - https://www.biorxiv.org/content/10.1101/409375v1 ID - 10.1101/409375 ER -