2019-07-01_Discover

VIRUSES

EVERYTHING

WORTH

KNOWING

38 DISCOVERMAGAZINE.COM

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Virus Replication 101

1. A virion, a

single particle of

a virus, attaches

to host cell

membrane.

2. Virion

releases

genome into

the host cell.

3. Host

cell reads

the viral genome

and makes copies

of the virion’s

components.

4. The

components

assemble into

new virions.

5. The host cell,

following the

viral genome

instructions, makes

new capsids

and envelopes

for the virions.

6. New virions exit cell.

Viral surface proteins

RNA

Capsid

Envelope