infective dose 50

infective dose 50

[in′fek·tiv ¦dōs ′fif·tē]
(microbiology)
The dose of microorganisms required to cause infection in 50% of the experimental animals; a special case of the median effective dose. Abbreviated ID50. Also known as median infective dose.
References in periodicals archive ?
4] Summer 1997 identification and virus titer (tissue infective dose 50 percent endpoint/mL) 0 1.