I was wondering if anyone has any references handy concerning criticism of
the median lethal dose (LD50) and median infective dose (ID50) as
determinants of virulence (doesn't have to involve fish pathogens).

Thanks in advance,

Jeffrey C. Wolf, DVM, Dipl. ACVP
Department of Biomedical Sciences and Pathobiology
Virginia-Maryland Regional College of Veterinary Medicine
Blacksburg, Virginia USA 24061-0442
Tel:(540)231-6583
Fax:(540)231-7367
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