West Nile virus original isolate. This West Nile virus is freeze dried. Tests for the presence of mycoplasmae were negative. To confirm its identity the virus has been partly sequenced.
Product Risk Group:
Infectivity tested and quantified
Infectivity was proven by plaque titration. Infectious titre was determined to be 3,5 x 10^6 PFU/ml.
Production cell line:
Passaged 7 times on suckling mice in 1993 and stored freeze-dried. New stock prepared by one passage on Vero E6 cells and freeze dried on 8th February 2017.
Information about the collection of the virus
Biological material origin:
Collection date: BEFORE
Wednesday, 29 December, 1993
Country of collection: