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False-colour transmission electron micrograph (TEM) of an AIDS virus (Acquired Immune Deficiency Syndrome), emerging from a stricken T4 lymphocyte (white blood cell of immune system, which AIDS destroys, rendering victim liable to a no. LAV by Montagnier & HTLV-111 by Gallo in US) is a retrovirus, ie its genetic program is held in RNA (dark red core at centre of sphere), translated into DNA inside the T4 cell & infiltrates the cell's own DNA; once activated the viral DNA replicates & progeny bud from the cell wall, killing the host cell. Mag. X32,400 at 35mm.
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