HIV Western Blot Test Singapore | Shim Clinic

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The HIV western blot test is used to confirm a HIV infection. It is performed after a positive HIV screening test.

Varying Criteria for a Positive HIV Western Blot

		AFRICA	AUSTRALIA	UNITED KINGDOM	USA CDC 1	USA CDC 2	USA FDA	USA RED CROSS
ENV gene	p160 p120 p41	ANY TWO	ONE OR MORE	ONE OR MORE	p120/ p160* AND p41	p120/ p160* OR p41	ONE OR MORE	ONE OR MORE
ENV gene	p68 p53 p32	O P T I O N A L	ANY THREE	p31**			p32	ANY ONE
GAG gene	p55 p40 p24	O P T I O N A L	ANY THREE	p24		p24	p24	ANY ONE

* The CDC regards p120 and p160 as a single unit—if antibodies to one show up, the others are automatically considered to be present
** Used instead of p32 in the United Kingdom

References

Is the “AIDS Test” Accurate?

CODE: WB
PERMALINK: https://shimclinic.sg/lab/iq/wb
TEST: HIV Western Blot
USE: Confirmatory test for HIV infection
Refer to: HIV Test, HIV Western Blot Test, STD Testing.
TaT*: 7
SPECIMEN: 6P
PRICE: $275

TaT* - Turnaround Time is in working days.

Sexual risk (of HIV/STD/pregnancy), and what you can do before and after exposure.

Timeline	HIV	STD	Pregnancy
Before exposure	Abstain from sex, Be faithful, or Condom use
	Circumcision (males only)		Contraception (females only)
	HIV PrEP (pre-exposure prophylaxis) - Stop HIV infection before exposure	STD vaccine: - Hepatitis vaccine - HPV vaccine	Contraception (females only)
STD / HIV exposure	Unsafe sex / unprotected sex: No condom / Condom broke / Condom slip
0-72 hours	HIV PEP (post-exposure prophylaxis) - Stop HIV infection after exposure	STD testing * - Screening test - to look for asymptomatic infections - from previous exposures	Emergency contraception with the morning-after pill (females only)
2 weeks	HIV DNA Test
1 month	HIV 4th Generation Test - SD Bioline HIV Ag/Ab Combo - Fingerprick blood sampling. - 20 minutes to results
3 months	HIV 3rd Generation Test - OraQuick® HIV-1/2 Antibody - Oral fluid or - Fingerprick blood sampling. - 20 minutes to results	STD testing * - Full & comprehensive - diagnostic test - to look for current infections
Watch for	HIV Symptoms	STD Symptoms
If infected	HIV Treatment	STD Treatment	Abortion

* Males: Do not urinate for at least 4 hours before arriving. * Females: testing is more accurate when you are not menstruating.

References

HIV western blot test @ Wikipedia

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HIV Western Blot Test Singapore | Shim Clinic

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