Serana gamma-irradiates serum on customer request. Our normal gamma irradiation dose for serum is in the range of 30–45 kGy which inactivates the most common bovine viruses which may be present in certain lots of Fetal ExCell. We have recorded the level of inactivation is a 6–8 log reduction for these viruses. Should you have a requirement for your Fetal ExCell to be gamma irradiated, please speak to a Serana customer representat.