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Viruses Summary - Very basic revision note

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TYPES
VIRUSES ADENOVIRUS
INFLUENZA
TOBBACCO MOSAIC
BACTERIOPHAGE




SOURCE:
https://teach
mephysiology
.com/immune
-
system/infect
ions/viral-
infection/

VIRAL REPLICATION
1. Virus attachs to cell and Integration: When viral RNA
becomes part of DNA make up
injects in RNA(nucleic acid)
into cell wall/membrane
2. Host DNA becomes inactivated
as virus replicates inside
3. Lysis (bursting of cell)
releases new viruses
DNA RNA New DNA

Source/Transmission
Body fluids -
AIDS
Acquired Immune Deficiency Syndrome
blood, semen virus uses reverse transcriptase to
Shared needle inhibit the production of antibodies
Genetic (mother)
Intercourse Retrovirus: Human Immunodeficiency
Virus (HIV)
Infected blood
products

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