Unit 4. Human Immune-deficiency Virus (HIV)

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HIV= Retro-virus= Seroconversion/ incubation period= meaning + ? Spread by=

- a retro-virus that causes a progressive disease impairing the regulation and function of the immune system by a decrease in CD4 Helper cells - ability to convert RNA-DNA using enzyme called reverse transcriptase - how long it takes for HIV antibodies to show in blood - 3 months - sexual intercourse, contaminated needles/ surgical equipment - infected mother to child





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