reinfection

noun 0.659

infection

noun 0.622

superbug

noun 0.615

coinfection

noun 0.613

autoinfection

noun 0.578

yeast infection

noun 0.545

infestation

noun 0.535

infective

noun 0.531

overgrowth

noun 0.516

superimposition

noun 0.511

superflu

noun 0.507

antibiosis

noun 0.502