| Complement-fixation with homologous strains and crosses with Turlock. | Immunologically unrelated to chikungunya, JBE, dengue 1, RSSE, yellow fever, Marituba, Oriboca, Caraparu, Apeu, Bunyamwera, Wyeomyia, Guama, Catu, Quaranfil, Chenuda, Bwamba, Anopheles A, Simbu, Oropouche, Sathuperi, Wad Medani, CTF, Bhanja, Ganjam, Tacaiuma, Lunyo, Naples sandfly, Sicilian sandfly, and Manzanilla by complement-fixation tests. | Umbre virus also was shown to be distinct from other Turlock serogroup viruses by cross-neutralization test [8] . | Umbre virus still cross-reacts with plaque-purified Barmah Forest virus by CF and HI tests [9] . Umbre virus remains in the Turlock serogroup while Barmah Forest virus was placed in serogroup A. | |
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