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Filters Content type: News, Editors' picks, About HIV Topic: CD4 count

CD4 cells are the most important cells in the immune system. A type of test called a CD4 count tells you how many CD4 cells there are in a small sample of blood. The more there are the better. Decisions about when to start treatment are often based on the CD4 count.

CD4 count

CD4/CD8 ratio

About HIV
July 2024
HIV treatment

Should HIV controllers take HIV treatment?

About HIV
March 2024
Testing & health monitoring

CD4 and viral load Illustrated

About HIV
March 2024
Testing & health monitoring

Health checks for people with HIV Illustrated

About HIV
March 2024
Testing & health monitoring

Is the CD4/CD8 ratio a useful test for people with HIV?

News
23 February 2024
CD4 count

CD4:CD8 Ratio Recovery Slows Among People Starting Antiretroviral Treatment After Age 60, Reports U.K.-Based Study

Editor's pick
TheBodyPro
19 January 2024
The biology of HIV transmission

Antibodies Passed through Placenta May Improve Survival for Infants with HIV

Editor's pick
National Institute of Allergy and Infectious Diseases
4 December 2023
Ageing & HIV

CD4:CD8 ratio recovery reduces with higher age when starting ART

Editor's pick
i-Base
4 December 2023
CD4 count

Cannabis does not reduce T cells in people living with HIV

Editor's pick
i-Base
5 September 2023
Treatment outcomes & life expectancy

Age and CD4 count have the greatest influence on life expectancy in the modern HIV treatment era

News
23 May 2023
Testing & health monitoring

Access to point-of-care tests for people with advanced HIV under threat as diagnostics corporations to stop production

Editor's pick
Médecins Sans Frontières
15 May 2023
HIV testing programmes & uptake

Late HIV diagnosis still an issue in Aotearoa

Editor's pick
Medical Xpress
3 April 2023
New & experimental HIV treatments

White blood cell changes on islatravir do not lead to a higher risk of infections

News
28 February 2023
Low CD4 count

Immune reconstitution inflammatory syndrome (IRIS)

About HIV
February 2023
How HIV works

HIV-specific immune response unconnected to inflammation in people taking ART

News
17 January 2023
Treatment outcomes & life expectancy

Lower chances of survival for people whose CD4 count remains under 500, Polish researchers report

News
16 January 2023
CD4 count

What is the normal CD4 count for an HIV-negative person?

About HIV
December 2022
CD4 count

What is the normal CD4 count for someone taking HIV treatment?

About HIV
December 2022
HIV treatment

Immune Responses to ART Vary by Regimen Among Individuals With Advanced HIV

Editor's pick
American Journal of Managed Care
31 August 2022
Treatment outcomes & life expectancy

Immune Recovery, Integrase Inhibitors Improve Survival for People With Late HIV Diagnosis

Editor's pick
POZ
9 August 2022
Hepatitis C treatment

Low CD4 Count Linked to DAA Failure in People With HIV

Editor's pick
NATAP
5 August 2022
Cancer

Low CD4/CD8 ratio predicts increased cancer risk in people with HIV

News
11 April 2022
Treatment outcomes & life expectancy

High CD4 Counts Equal Longevity, Except in Heart Disease

Editor's pick
POZ
26 December 2021
Cancer

Increased risk of Kaposi’s sarcoma with low CD4/CD8 ratios and of non-Hodgkin lymphoma with high CD8 counts despite effective HIV treatment

News
5 October 2021