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How Regular Testing And Prevention Strategies Can Curb HIV Transmission

Regular HIV testing and early diagnosis are crucial in combating the disease, enabling timely treatment, reducing transmission risks, and ensuring better health outcomes for individuals.

{By: Dr. Vani C, Consultant Microbiologist, Metropolis Healthcare Ltd., Bengaluru}

In the ongoing global fight against HIV/AIDS, regular testing and early diagnosis play a pivotal role. These proactive measures are not just about identifying the virus early; they are about saving lives, preventing transmission, and ensuring a healthier future for all. Regular testing and early diagnosis stand as cornerstones of efforts to curb the epidemic and provide individuals with the care they need.

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Understanding HIV and Its Impact

HIV (Human Immunodeficiency Virus) directly attacks the immune system, specifically the CD4 cells (commonly known as T cells), which are crucial in protecting the body against infections. If untreated, the gradual destruction of these cells leads to AIDS (Acquired Immunodeficiency Syndrome). This advanced stage of HIV makes individuals extremely vulnerable to opportunistic infections and certain cancers, significantly threatening their health and lives.

According to the World Health Organisation (WHO), approximately 38 million people worldwide are living with HIV, and nearly 1.5 million new infections occur annually. These staggering figures highlight the urgent need for continued efforts to control the spread of HIV and improve access to life-saving treatments.

Why Is Regular HIV Testing Crucial?

  1. Awareness Saves Lives: One of the most alarming facts about HIV is that an estimated 15% of people with the virus are unaware of their status. Furthermore, about 40% of new HIV transmissions come from individuals who do not know they are infected. Regular testing bridges this critical gap by empowering people to protect themselves and others.
  2. Early Treatment Improves Outcomes: Timely diagnosis is essential for starting treatment early. Antiretroviral therapy (ART), when initiated promptly, effectively suppresses the virus. It enables individuals to live long and healthy lives, reduces complications, and prevents progression to AIDS.

Viral suppression not only benefits their health but also ensures they cannot transmit the virus to their sexual partners, a breakthrough concept known as U=U (Undetectable = Untransmittable).

Routine Testing

The Centre for Disease Control and Prevention (CDC) recommends that everyone aged 13–64 should undergo HIV testing at least once as part of routine healthcare. Testing during pregnancy is also essential to prevent mother-to-child transmission, ensuring the next generation starts life free of the virus.

High-Risk Groups

Individuals in higher-risk categories should consider more frequent testing:

  • Sexually active gay and bisexual men: Every 3–6 months.
  • People with high-risk behaviors: Those who share needles, engage in unprotected sex with partners of unknown status, or exchange sex for money or drugs.
  • Annual Testing: For anyone with an STD, injecting drug users, and others exposed to potential risk factors.

For those over 64, healthcare providers can recommend testing if risk factors are present.

Understanding HIV Risk Factors

Several behaviours and conditions increase the likelihood of HIV transmission:

  • Sexual Contact: Vaginal or anal sex with someone who is HIV-positive or whose status is unknown.
  • Drug Use: Sharing needles, syringes, or other drug paraphernalia.
  • Other Risk Factors: Exchanging sex for money, having an STD (e.g., syphilis), or engaging with partners who exhibit these risks.

Recognising these risks and taking preventive measures can make a significant difference in reducing the spread of HIV.

There are three primary types of tests used to detect HIV:

  1. Antibody Tests: Detect HIV-specific antibodies that the body produces in response to the infection.
  2. Antigen/Antibody Tests: Identify both antibodies and antigens, proteins produced by the virus, making this test effective earlier after exposure.
  3. Nucleic Acid Tests (NATs): Directly detect the virus in the blood and are particularly useful for early detection

Your healthcare provider can guide you in selecting the most appropriate test. Regular testing not only normalises the process but also:

  • Encourages Open Conversations
  • Reduces Stigma
  • Promotes Awareness

These benefits create a ripple effect, fostering an environment where individuals feel supported in seeking care.

A Collective Responsibility

The importance of regular testing and early diagnosis in fighting HIV/AIDS cannot be overstated. Testing empowers individuals, improves health outcomes, and protects communities. By prioritising these practices, we can significantly reduce new infections and ensure better care for those living with the virus. Together, through collective efforts by individuals, communities, and governments, we can work toward a future where HIV/AIDS is no longer a public health crisis.

Disclaimer: The information provided in the article, including treatment suggestions shared by doctors, is intended for general informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider with any questions you may have regarding a medical condition.

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