病毒感染

viral infection

illness / CL:場|场[chang2] / disease / to fall ill / defect

virus

poison / to poison / poisonous / malicious / cruel / fierce / narcotics

virus

to feel / to move / to touch / to affect / feeling / emotion / (suffix) sense of ~

infection / to infect / to influence

to infect; infection / (fig.) to influence

to dye / to catch (a disease) / to acquire (bad habits etc) / to contaminate / to add color washes to a painting