minimal infecting dose
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Related to minimal infecting dose: infective dose 50
min·i·mal in·fect·ing dose (MID),
the smallest quantity of infectious material regularly producing infection; usually expressed as I.D.50, the quantity causing infection in 50% of a suitable series of animals or cells (cell cultures).
Farlex Partner Medical Dictionary © Farlex 2012
min·i·mal in·fect·ing dose
(MID) (min'i-măl in-fekt'ting dōs)The smallest quantity of infectious material regularly producing infection; usually expressed as MID50, the quantity causing infection in 50% of a suitable series of animals or cells (cell cultures).
Medical Dictionary for the Health Professions and Nursing © Farlex 2012