RNA tumor viruses See retroviruses

RNA viruses Viruses having RNA genomes.

roan antelope herpesvirus Synonym for Hippotragine herpesvirus 1.

Rochambeau virus (RBUV) A tentative species in the genus Lyssavirus. Isolated from mosquitoes, Coquillettidia albicosta, in French Guiana in 1973. Not reported to cause disease in humans.

Rocio virus (ROCV) A strain of Ilheus virus in the genus Flavivirus, isolated by i.c. injection into newborn mice from the brain of a patient who died of encephalitis in Sao Paulo, Brazil. Caused an epidemic of encephalitis in several coastal counties of Sao Paulo in 1975: there were 462 cases, 61 of which were fatal. No virus was isolated from 420 sera from patients with encephalitis but 9 isolations were made from brain tissue. Isolated from 2 of 395 sentinel mice exposed in the epidemic area, and from a rufous collared sparrow, Zonotrichia capensis, collected in the same area. Epidemiology suggests mosquito vectors, Psorophora ferox and Aedes scapularis, and possibly a bird natural host. Hemagglutinin present in mouse brain tissue. Serologically related to other fla-viviruses but distinguishable from them. Pathogenic on injection into mice and hamsters. Replicates in Vero cells and BHK21 cells with CPE.

Lopes OS et al (1978) Am J Epidemiol 107, 444; 108, 394

Monath TP et al (1978) Am J Trop Med Hyg 27, 1251

rodent paramyxoviruses Rodent species in the genus Paramyxovirus include: J virus

Mossman virus Nariva virus

Parainfluenza virus type 1 murine Peromyscus virus Pneumonia virus of mice

Jun MH et al (1977) Aust J Exp Biol Med Sci 55, 645

rodent parvoviruses Can be divided by their serological properties into four species with their respective strains as follows:

(1) Kilham rat virus H-3 virus X-14 virus LS virus

Hemorrhagic encephalopathy virus of rats (HER) Kirk virus


Krisini 9 HV

(4) Mice minute virus MVMp


H-1, HT and HB may be human viruses as they were apparently recovered from human tissues, but antibodies to them are rare in humans and they are pathogenic to newborn hamsters, a feature not yet observed with parvoviruses outside the rodent group.

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