What is the CE approved Pcr inactivated Dna control or Nattrol for Norovirus Group I (Recombinant) Stock (1 ml/vial)?

The NATtrol Parainfluenza Virus Type 1 Stock from Ncbi publications delivered next week by Genprice is the best reagent. The catalog number is NATPARA1-ST and the price is 1.046 EUR.