In two households now Tamiflu has made a marked difference both apparently reducing the number who contracted it after the illness was known to be in the households, and reducing the death rates. In one household the deaths and the spread completely stopped after the Tamiflu was used. See: http://ferrethealth.org/archive/FHL7236 (dosing) and http://ferrethealth.org/archive/FHL7220 Tamiflu pretty much reduces viral replication. It is a neuraminidase inhibitor. There are three drugs in that class (generic names: oseltamivir which is Tamiflu, zanamivir, and peramivir). This will give a general idea of how it behaves: http://www.pharmasquare.org/flash/Tamiflu.html Sukie (not a vet) Recommended ferret health links: http://pets.groups.yahoo.com/group/ferrethealth/ http://ferrethealth.org/archive/ http://www.afip.org/ferrets/index.html http://www.miamiferret.org/fhc/ http://www.ferretcongress.org/ http://www.trifl.org/index.shtml http://homepage.mac.com/sukie/sukiesferretlinks.html [Posted in FML 6198]