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Related to ID50: IC50
ID50Infectious Dose to 50 Percent of Exposed Individuals
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References in periodicals archive ?
parvum (ID50) infection is 132 oocysts for healthy individuals and as low as 30 oocysts can initiate an infection [2].
All of the tested compounds showed considerable anti-inflammatory activity (ID50 values ranged from 0.15 to 0.75 micromol/ear).