biological process biological_process viral process Reactome:R-HSA-162906 See also the biological process terms 'viral infectious cycle ; GO:0019058' and 'lysogeny ; GO:0030069'. virulence GO:0022415 GO:0016032 virus process viral infection Wikipedia:Viral_life_cycle biological_process A multi-organism process in which a virus is a participant. The other participant is the host. Includes infection of a host cell, replication of the viral genome, and assembly of progeny virus particles. In some cases the viral genetic material may integrate into the host genome and only subsequently, under particular circumstances, 'complete' its life cycle.