Definition of asymptomatic
: not causing, marked by, or presenting with signs or symptoms of infection, illness, or disease asymptomatic carriers of contagious disease Acute infection is usually asymptomatic, making early diagnosis difficult.— Francis V. Chisari Because gonorrhea is often asymptomatic in women, it can progress painlessly until the result is pelvic inflammatory disease with its sequelae of infertility or ectopic pregnancy.— Marsha F. Goldsmith Most patients with gallstones remain asymptomatic for many years and may, in fact, never develop symptoms. — The Journal of the American Medical Association Many of the fecal samples positive for Giardia were from asymptomatic pets.— Lawrence M. Fox
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