Funding: 
UK Medical Research Council grant MR/N008618/1 (AC)
UK Medical Research Council grant MC_UU_00034/2 (AC)
UK Medical Research Council grant MR/R009945/1 (EF)
UK Medical Research Council grant MR/X008312/1 (EF)
European Research Council starting grant EP/Y011414/1 (SJR)
European Research Council Consolidator Grant (N# 101001634) (AC)
EU H2020 support (DELTA-FLU; no. 727922) (PD)
Wellcome Trust Fellowship 211222_Z_18_Z (ERG)
UK Biotechnology and Biological Sciences Research Council Grant BB/P013740/1 (PD, ERG)
UK Biotechnology and Biological Sciences Research Council Grant BB/X010937/1(PD, ERG, RMP)
UK Biotechnology and Biological Sciences Research Council Grant BB/V011286/1 (PD, DRK)
UK Biotechnology and Biological Sciences Research Council Grant BB/M027163/1 (PD, DRK) 
UK Biotechnology and Biological Sciences Research Council Grant BBS/E/RL/230002C (PD, ERG, RMP)
UK Department for Food, Environment and Rural Affairs (Defra) contract no. SE2223 (PD)
USDA-National Institute of Food and Agriculture Grant 2015-67015-22968 (DRK)