Title: Toga virus

• Subject: Gen.virology

• Prepared by : M WAQAS , ABDULLAH

• INDUS INTERNTIONAL INSTITUTE

Togaviridae

• a family of viruses• belong to group IV• The genome is linear, single-stranded, positive

sense RNA• The virus is enveloped and

forms spherical particles (65–70 nm diameter)

vector

• vector for Togaviridæ is primarily the mosquito• NATURAL HOSTS • Human, mammals, birds, mosquitoes

GEOGRAPHYASSOCIATED DISEASES

• Alphaviruses: Arthritis, Encephalitis• Rubiviruses: congenital rubella syndrome• TRANSMISSIONRubiviruses: : respiratory