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Any virus of the genus Alphavirus (family Togaviridae).

A transmission electron micrograph showing virions of the alphavirus eastern equine encephalitis in central nervous system tissue

Any virus of the genus Alphavirus (family Togaviridae).

Structure and genome of an alphavirus

Any virus of the genus Alphavirus (family Togaviridae).

A computer-generated model of the surface of an "Alphavirus" derived by cryoelectron microscopy. The spike-like structures on the virion surface are trimers composed of heterodimers of the virion surface glycoproteins E1 and E2. These spikes are used by the virus to attach to susceptible animal cells