BIOSC 0100 Lecture Notes - Lecture 1: Aids, Hiv, 1918 Flu Pandemic
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E(cid:374)ters a host (cid:272)ell a(cid:374)d use the host"s (cid:271)ios(cid:455)(cid:374)theti(cid:272) (cid:373)a(cid:272)hi(cid:374)er(cid:455) to reprodu(cid:272)e a(cid:374)d s(cid:455)(cid:374)thesize (cid:448)iral proteins. Each type of virus infects a specific unicellular species or cell type in a multicellular. In the human body, virtually every system, tissue, and cell can be infected by at least one kind of virus. Viruses have caused the most devastating epidemics in recent human history. Spanish flu (1918-1919) killed up to 50 million people. Human immunodeficiency virus (hiv) causes acquired immune deficiency syndrome (aids) and has caused almost 30 million people. Very small, ranging in size from 20 to 300 nm in diameter. Virus comes from the latin word meaning poison. Consists of genetic material (dna or rna) the viral genome (all the genes for an organism) A protein coat called a capsid that surrounds and protects the genome. There is a wife diversity of viral genome types. May consist of a single molecule or have several different segments.
