How has the HIV/AIDS epidemic contributed to the spread and severity of tuberculosis?

The HIV/AIDS epidemic has significantly impacted the prevalence and severity of tuberculosis by compromising the human immune system.12

Human immunodeficiency virus (HIV) targets and depletes helper T cells, which are essential for defending the body against pathogens. As the immune system weakens, individuals become highly susceptible to opportunistic infections, with tuberculosis being one of the most common.1

The relationship between these two diseases has had several critical consequences:

• Resurgence of Tuberculosis: The spread of HIV was a primary factor in the mid-1980s resurgence of tuberculosis in developed countries, where the disease had previously been in decline.3
• Complicated Treatment: In patients with AIDS, the management of tuberculosis is significantly more difficult due to their diminished immunity.2
• Increased Vulnerability: Because HIV-compromised immune systems cannot effectively defend against the tubercle bacillus, individuals are at a much higher risk of developing active tuberculosis disease.12

Addressing this dual epidemic is a moral imperative, as it requires ensuring that vulnerable populations have access to both antiretroviral therapy and effective tuberculosis treatment to prevent unnecessary suffering and death.13