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Medical Term:

rabies vaccine, Flury strain egg-passage


  1. high-egg-passage (HEP) vaccine: living Flury strain rabies virus at the 180th–190th level egg passage (embryonate eggs), used for vaccination of cattle and cats;
  2. low-egg-passage (LEP) vaccine: at the 40th–50th passage level, containing 103–104 mouse LD50; nonpathogenic in dogs but retains some pathogenicity for cattle and cats.
© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.