| | | Complement-fixation: | | The Slovakia antigen (homologous titer of 64/32) gave negative results by CF when tested against the following immune grouping fluids obtained from NIH: Groups A, B, C, Guama, Simbu, VSV, Bunyamwera, California, Tacaribe, Phlebotomus fever, Polyvalent Quaranfil, Polyvalent Anopheles A, Anopheles B and Turlock, Polyvalent Patois, Group Capim, Polyvalent Palyam, Group Kemerovo, Polyvalent Congo, Polyvalent rabies, and Polyvalents 1 through 10 and Polyvalent 12. | | In other CF tests, Slovakia antigen failed to fix complement in the presence of hyperimmune sera prepared against tick-borne encephalitis, Kemerovo, Uukuniemi, Tettnang, and Eyach viruses. | | Slovakia virus antibody cross-reacts with an antigen of mouse hepatitis virus by complement-fixation. Slovakia virus may be contaminated with mouse hepatitis virus or it may be closely related to mouse hepatitis virus [3] . | | |
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