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 ?
The IBH-HPS virus was titrated by calculating plaque forming units (pfu/mL) and infectivity titre through tissue culture infective dose 50 (TCID50).
Biological titer is expressed in units of mean tissue culture infective dose 50 (TCID50)
The virus showed poor tissue culture infective dose 50 (TCID50) that was log 103.2+-0.2 in BHK-21 cell line having Glasgow Minimal Essential Medium (GMEM) without Fetal Calf Serum (FCS).