HIV and STIs Flashcards

1
Q

Burden of HIV?

A

Not as big as it was since treatment is there but 1 million people still died in 2016

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2
Q

How many new infections of HIV in 2016?

A

1.8 million

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3
Q

How many procent of people are on antiretroviral therapy?

A

54% of adults and 43% of children

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4
Q

How many infected in the African region in 2016?

A

25.6 millon

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5
Q

How is HIV normally diagnosed?

A

RDT (rapid diagnostic test) which tests for antibodies

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6
Q

What are key HIV populations?

A

Groups who are at increased risk of HIV irrespective of type or local context

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7
Q

What are the key HIV populations?

A

Men who have sex with men, people who inject drugs, people in prisons, sex workers + clients, transgender people

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8
Q

How many % of new cases in key populations in 2015?

A

44%

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9
Q

How many with HIV know their status?

A

70%

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10
Q

What does the virus do?

A

Targets the immune system and weakens people’s defence systems against infections and some cancers

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11
Q

How do you measure immune function?

A

CD4 cell count

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12
Q

What is AIDS?

A

Acquired Immunodeficiency Syndrome and is the most advanced stage

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13
Q

What sub-region is mostly affected by HIV?

A

Sub-Saharan Africa (70%)

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14
Q

Symptoms of HIV early?

A

None to flu-like symptoms

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15
Q

Later HIV syptoms?

A

Swollen lymph nodes, weight loss, diarrhoea and cough

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16
Q

How is HIV transmitted?

A

Unprotected sex, sharing needles, mother-to-child (15-45% without intervention)

17
Q

How do you treat HIV?

A

ART

18
Q

What is ART?

A

Antiretroviral therapy

19
Q

What does ART do?

A

Does not cure HIV but suppresses viral replication within the body and allows the immune system to strengthen

20
Q

What is PrEP?

A

Pre-exposure prophylaxis, for people at high risk and reduces transmission by 90% (sex) and drug by 70%

21
Q

What is PEP?

A

Post-exposure prophylaxis, used after potential exposure and must be taken within 72h of exposure and is a 28 day course. Highly effective