HIV-AIDS

HIV-AIDS - Acquired Immunodeficiency Syndrome (AIDS) HIV-1...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
Acquired Immunodeficiency Syndrome (AIDS) HIV-1 accounts for greatest # of AIDS cases in world. HIV-2 present in some African countries. from blood of chimpanzees in Africa. probably 1931. restricted to one village virus attacks Helper T cells.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
AIDS diagnosis when * < 200 Helper T cells per microliter of blood (healthy person has 600- 1200) * infected with HIV
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Incidence 2006 – 1,000,000 in US. 525,000 died since 1981. 1.2 million infected with HIV. (25% unaware) each yr, 5,000,000 new cases globally. 600/hr. end of 2005 – 40.3 million infected. claims more than 3,000,000 lives per yr. sub-Saharan Africa has 2/3’s cases
Background image of page 4
peaked in US in late 80’s. 40,000 new cases each yr. teenagers, women, racial & ethnic minorities rising. growing number infected in adolescence: multiple partners don’t use condoms difficult to get condoms higher rates of other STDs substance abuse leads to risky behavior feelings of invulnerability
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
higher rates among ethnic and racial minorities: reduced access to health care cultural or language barriers differences in risk behavior, IV drug use shifts in exposure risk: decline in proportion of MSM (although still largest group). most recently, moving back up, esp’ly among heterosexual transmission accelerating. (always been the primary mode women fastest growing population.
Background image of page 6
Global Estimates of HIV Infection
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Women and HIV/AIDS in sub-Saharan Africa women 15-24 3 times more likely to be infected than male counter- parts. easier for women to contract from men.
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 33

HIV-AIDS - Acquired Immunodeficiency Syndrome (AIDS) HIV-1...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online