All flavivirus and non-flavivirus strains listed below were derived from cell culture and provided by the Robert Koch Institute, Berlin, Germany. The following inactivated and stable virus preparations were used in this study: DENV-1 VR344 (Thai 1958); DENV-2 VR345 (TH-36 strain); DENV-3 VR216 (H87 strain); DENV-4 VR217 (H241 strain); WNV Uganda strain (AY532665); WNV Israel (H. Bin, Sheba Medical Center, Israel), kunjin virus (Institute Pasteur, France), usutu virus (AY453411); JEV (ATCC SA14-14-2); Saint Louis encephalitis virus (SLEV) (ATCC VR-1265); TBEV strain K23 (AF091010); YFV strain 17D (X03700); YFV strain ASIBI (AY640589); YFV strain Brazil; YFV strain Ivory Coast; Russian Spring Summer Encephalitis virus (RSSEV); chikungunya virus (LR 2006); chikungunya virus African isolate; sindbis virus; Rift Valley Fever virus and influenza A virus subtype H5N1 (A/dk/Germany R603/06 H5N1).
Two different standard preparations of H1N1 influenza viruses (A/California/04/2009 and A/Hamburg/04/2009) used in this study were provided by the European Network for Diagnostics of Imported Viral Diseases (ENIVD). RNA of Nounane virus was kindly provided by Dr. Fabian Leendertz from NG2, Robert Koch Institute, Berlin. RNA of eleven African flaviviruses (Table3 ) were kindly provided by Dr. Amadou A Sall and testing of these viruses was done at Institut Pastuer Dakar, Senegal.
Viral RNA from above described viruses was isolated from 140 μl aliquots of cell culture supernatants, using the QIAamp Viral Mini Kit (Qiagen, Hilden, Germany) according to the manufacturer’s instructions. RNA was eluted in 100 μl of elution buffer and stored at -80°C until further use.
Two different standard preparations of H1N1 influenza viruses (A/California/04/2009 and A/Hamburg/04/2009) used in this study were provided by the European Network for Diagnostics of Imported Viral Diseases (ENIVD). RNA of Nounane virus was kindly provided by Dr. Fabian Leendertz from NG2, Robert Koch Institute, Berlin. RNA of eleven African flaviviruses (Table
Viral RNA from above described viruses was isolated from 140 μl aliquots of cell culture supernatants, using the QIAamp Viral Mini Kit (Qiagen, Hilden, Germany) according to the manufacturer’s instructions. RNA was eluted in 100 μl of elution buffer and stored at -80°C until further use.
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