Related by context. Frequent words. (Click for all words.) 72 infect 67 afflicts 67 infecting 62 infected 55 affects 53 sickens 52 mutates 51 manifests itself 50 afflict 49 infest 49 isolates 49 sicken 48 highly contagious 48 transmissible 48 disables 48 virulent strain 48 destroys 48 virus 48 pervades 47 viruses 47 preys 47 virulent 47 invades 46 devastates 46 injects 46 infect humans 45 plagues 45 afflicted 45 mutated 45 inflames 44 spawns 44 consumes 44 multiplies 44 afflicting 44 permeates 44 circulates 44 infesting 44 penetrates 44 contributes 44 endemic 44 herpes virus 43 paralyzes 43 parasite 43 inoculated 43 occurs naturally 43 reproduces 43 engulfs 43 suppresses 43 confuses 43 contagious 43 amplifies 42 irritates 42 Virus 42 interacts 42 overwhelms 42 cripples 42 contagious disease 42 wreaks havoc 42 engenders 42 generates 42 transmits 42 inoculate 41 infested 41 plague 41 pollutes 41 sustains 41 induces 41 contaminates 41 elicits 41 inflicts 41 attracts 41 occurs 41 binds 41 transmitted 41 predisposes 41 infectious 41 starves 41 bacterium 41 Left untreated 41 exposes 41 indicts 41 propagates 40 corrupts 40 incites 40 eats 40 worm 40 animates 40 annoys 40 infiltrates 40 devours 40 alienates 40 spreads 40 hijacks 40 smothers 40 accumulates 40 Staphylococcus aureus 40 provokes 40 sexually transmitted 39 inhabits 39 saps 39 creeps