The global challenge of HIV/AIDS remains one of the most pressing public health issues today. According to the latest data from UNAIDS, around 38.4 million people worldwide are living with HIV/AIDS, underlining the need for not only medical intervention but also comprehensive awareness, education, and social change. Despite the significant strides made in treatment and prevention, the confusion surrounding the relationship between HIV and AIDS still persists.

Young people have become influential advocates in the fight against HIV/AIDS. Research from UNICEF shows that youth-led initiatives can lower HIV transmission rates by as much as 45% in targeted communities. These young activists utilize digital platforms and peer-to-peer education to dispel myths, promote safe practices, and foster supportive environments for those affected by HIV/AIDS.

Dr Gowri Kulkarni, an expert in Internal Medicine, explains that while the terms HIV and AIDS are often used interchangeably, they are distinctly different. "HIV (Human Immunodeficiency Virus) is a virus that attacks the immune system, whereas AIDS (Acquired Immunodeficiency Syndrome) is a condition that occurs when HIV severely damages the immune system," she clarifies. To understand the implications of these differences, it's important to explore the fundamental distinctions between the two.

1. HIV is a Virus; AIDS is a Syndrome

HIV is the virus responsible for attacking the body’s immune system, specifically targeting CD4 cells, which are crucial for the body’s defense against infections. As HIV progresses, it destroys these cells, weakening the immune system over time. If left untreated, this continuous damage can lead to AIDS.

AIDS, on the other hand, is a syndrome, not a virus. Dr Kulkarni further elaborates that AIDS is a collection of symptoms and illnesses that emerge when the immune system is severely compromised due to prolonged HIV infection. It represents the most advanced stage of HIV, and is characterized by very low CD4 counts or the onset of opportunistic infections like tuberculosis, pneumonia, or certain cancers.

2. Not Everyone with HIV Develops AIDS

A key distinction to remember is that not everyone with HIV will progress to AIDS. Thanks to advancements in medicine, particularly antiretroviral therapy (ART), individuals living with HIV can manage the virus and maintain a healthy immune system for many years, or even decades, without ever developing AIDS. ART works by suppressing the virus to undetectable levels, effectively preventing the damage HIV would otherwise cause to the immune system.

Without treatment, however, HIV progresses through three stages:

- Acute HIV Infection: This stage occurs shortly after transmission and may include symptoms like fever, fatigue, and swollen lymph nodes.

- Chronic HIV Infection: Often asymptomatic or mildly symptomatic, the virus continues to damage the immune system but at a slower rate.

- AIDS: This is the final stage, marked by severe immune damage and the presence of infections that take advantage of the compromised immune defenses.

3. HIV is Transmissible; AIDS is Not

Another key distinction between HIV and AIDS is the way in which they are transmitted. HIV is highly contagious and can be transmitted through the exchange of bodily fluids such as blood, semen, vaginal fluids, and breast milk. It is primarily spread through unprotected sexual contact, sharing needles, or from mother to child during childbirth or breastfeeding.

AIDS, however, is not transmissible. It is not a disease that can be passed from one person to another. Rather, AIDS is the result of untreated, advanced HIV infection and is a direct consequence of the virus’s damage to the immune system.

4. Diagnosis Methods Differ

HIV and AIDS are diagnosed through different methods. HIV is diagnosed through blood tests or oral swabs that detect the presence of the virus or antibodies produced by the immune system in response to the virus. Early detection of HIV is crucial, as it allows for timely intervention and treatment, which can prevent the virus from progressing to AIDS.

AIDS, on the other hand, is diagnosed using more specific criteria. Dr Kulkarni notes that the diagnosis of AIDS is made when the individual’s CD4 cell count falls below 200 cells/mm³, or when opportunistic infections or certain cancers (such as Kaposi's sarcoma or lymphoma) are detected. Diagnosing AIDS involves a more thorough assessment of the individual’s immune function and overall health, as opposed to just the detection of HIV.

5. Treatment Goals Are Different

The treatment goals for HIV and AIDS differ significantly, although both involve antiretroviral therapy (ART). For HIV, the primary treatment goal is to suppress the virus to undetectable levels, thus maintaining a strong immune system and preventing further transmission of the virus. People living with HIV can often live long, healthy lives if they adhere to ART.

For individuals diagnosed with AIDS, the treatment plan becomes more complex. While ART remains an essential part of managing the virus, treatment for AIDS also focuses on addressing the opportunistic infections and secondary health complications associated with severe immune suppression. The goal of treatment for AIDS is not only to manage the HIV virus but also to improve the quality of life and extend survival by treating these secondary health issues.

Role of Community Engagement in Combatting HIV/AIDS

While the medical community has made great strides in managing HIV, the battle to curb its transmission is also a social and cultural issue. Dr Daman Ahuja, a public health expert, highlights that HIV/AIDS awareness and education are vital to reducing transmission rates and supporting those affected by the virus. "Young people, especially, have become key advocates in the fight against HIV/AIDS," says Dr Ahuja. "Research from UNICEF shows that youth-led initiatives can lower HIV transmission rates by as much as 45% in targeted communities."

Additionally, grassroots activism plays a significant role in raising awareness and addressing stigma. As the World Health Organization reports, community-based interventions have been proven to increase HIV testing rates and improve treatment adherence, which are crucial in the fight against the pandemic.

The ultimate goal of organizations like UNAIDS is to eliminate the HIV/AIDS pandemic by 2030. Achieving this requires global collaboration, from medical treatment advancements to public health strategies, education, and advocacy. Dr Kulkarni’s insight underscores the importance of early detection, treatment adherence, and community support in the fight against HIV/AIDS.

Dr Gowri Kulkarni is Head of Medical Operations at MediBuddy and Dr Daman Ahuja, a public health expert and has been associated with Red Ribbon Express Project of NACO between 2007-12.

Non-alcoholic fatty liver disease (NAFLD) is the commonest non-communicable disease in Indian women, with a prevalence rate of 35%. Globally, 30% of the population is suffering from NAFLD, and this projection is expected to progress to 56%, in a similar range to diabetes and obesity.

In India, the high rate of NAFLD is driven by the adoption of a westernized lifestyle, associated comorbidities like diabetes, obesity & hypertension. Fatty liver is known to progress to cirrhosis (end-stage liver disease) or liver cancer (hepatocellular cancer) if left untreated, which affects the survival rates and implicates a poor prognosis.

Unfortunately, it’s a silent disease and often presents at an advanced stage, leading to serious complications.

Why Women Face Different Risks Than Men

Women tend to have different outcomes with fatty liver disease when compared to men. Women may have a higher risk of life secondary to NAFLD when compared with men of the same age group. Conditions like age of menarche (first menstrual period), menopause status, alteration in reproductive hormones, and sarcopenia (muscle loss) may affect the development of NAFLD. Hormonal issues like oestrogen deficiency and Polycystic Ovarian Disease (PCOD) increase the risk of developing NAFLD. Women with type 2 diabetes, obesity, and larger waist circumference (metabolic syndrome) are more prone to NAFLD.

Besides physiological and hormonal factors, there are social and cultural factors like limited autonomy for women, hierarchy based on earning potential, and poor literacy levels (especially in rural regions), which may create health neglect or gender bias towards women’s health, and conditions like NAFLD can go neglected or ignored.

Fatty Liver Disease Is Preventable and Reversible

The urban populace has its own share of modern problems like alcohol, smoking, and a sedentary lifestyle. Fatty liver is totally preventable and reversible if diagnosed at an early stage with simple lifestyle modifications. Studies show that a diet high in protein and low in carbohydrates, or a diet with fruits and vegetables and whole grains combined with exercise for 30 minutes a day and 5 days a week, can significantly reverse fatty liver and liver cell inflammation.

There are no gender-based guidelines to treat or prevent this problem. In general, reducing the cardiovascular and metabolic risk remains the cornerstone to treat NAFLD in both men and women.

Weight Loss Can Significantly Improve Liver Health

Research shows that up to 10% weight loss can reduce liver scarring and inflammation, whereas between 5-10% weight loss can reduce liver fat significantly.

There is some evidence that suggests black coffee (without sugar), Vitamin E, and Omega-3 fatty acids help prevent and reverse NAFLD. Specific and early consultation with a specialist (e.g. cardiologist, endocrinologist, or a gynecologist) can control the morbidity and mortality around the problem. Fatty liver has reached an epidemic level problem and therefore needs mass screening & awareness programs.

Early Diagnosis Is the Key

Early diagnosis is key and can be achieved by simple USG of the liver or Fibro scan combined with simple blood tests, liver LFT’s (liver function tests). Unfortunately, there’s no pill to replace exercise or a healthy lifestyle; otherwise, it would have been a blockbuster medicine.

However, the good news is this deadly and silent disease has a simple and inexpensive solution: a healthy diet and plenty of exercise, which is accessible to all. There is also an urgent need to increase awareness in women on NAFLD and ways to combat it, so they can get access to life-saving treatment at the earliest.

For decades, thalassemia has been synonymous with lifelong blood transfusions, frequent hospital visits, and the persistent risk of iron overload. For patients and families, it has largely meant managing a chronic condition rather than truly treating it. That narrative, however, is beginning to change.

The recent approval of oral drugs for thalassemia by the US Food and Drug Administration marks a historic milestone. These oral, disease-modifying pyruvate kinase activators improve anemia in adults with non-transfusion-dependent (NTDT) and transfusion-dependent (TDT) \(\alpha\)- or \(\beta\)-thalassemia. For now, they are approved in the US and Saudi Arabia for adults with thalassemia, with European review ongoing.

It is offering a fundamentally different approach, one that targets the disease at its biological core rather than simply managing its complications. Yet, as this new era unfolds, a critical question remains: are patients being diagnosed early enough to benefit from it?

A shift from supportive care to targeted therapy:

Until recently, thalassemia management has depended heavily on blood transfusions and iron chelation therapy. While these interventions are life-saving, they do not correct the underlying defect in red blood cell production. Over time, repeated transfusions can lead to complications affecting vital organs such as the heart, liver, and endocrine system.

Oral drugs, however, work by activating pyruvate kinase in red blood cells, improving energy (ATP) production, and enhancing red cell survival. In simple terms, it helps the body produce more functional and longer-lasting red blood cells, leading to an increase in hemoglobin levels, reduced transfusion requirements, and improved quality of life, particularly with respect to fatigue, one of the most debilitating symptoms of the disease. Oral therapy working across a broader disease spectrum marks a significant advance.

India’s Hidden Burden

India bears one of the highest burdens of thalassemia globally, with an estimated 10,000–15,000 affected children born each year and a carrier frequency of approximately 3–4% in the general population. Despite this, a large number of cases remain undiagnosed or are diagnosed late, particularly in individuals with milder forms who may live for years with unexplained anemia.

Delayed diagnosis has far-reaching consequences. Patients may develop preventable complications, families miss opportunities for genetic counseling, and access to emerging therapies is delayed or entirely missed. In the era of precision medicine, such delays are no longer acceptable.

The Problem Of Misdiagnosis

A major challenge in India is the frequent misdiagnosis of thalassemia as iron deficiency anemia, especially in primary care settings. Many patients receive repeated courses of iron supplementation without clinical improvement, while the underlying genetic disorder remains unrecognized.

Certain clinical clues should prompt further evaluation: persistent microcytic anemia unresponsive to iron therapy, a family history of anemia or transfusion dependence, and a disproportionately high red blood cell count relative to hemoglobin levels. Diagnostic confirmation is straightforward with hemoglobin analysis using HPLC or electrophoresis; however, these tests are not always utilized at the appropriate time.

Diagnosis And Screening

The approval of oral drugs underscores a fundamental shift, from managing symptoms to modifying disease biology. However, these benefits are maximized when therapy is initiated early, before irreversible organ damage occurs, for which timely diagnosis is pivotal.

Thalassemia diagnosis begins with a complete blood count demonstrating microcytic anemia with low mean corpuscular volume and a relatively high red cell count. Peripheral smear findings include target cells and anisopoikilocytosis. Confirmation is achieved through hemoglobin analysis using HPLC or electrophoresis, which typically shows elevated HbA₂ in β-thalassemia trait. Molecular testing further identifies specific gene mutations, enabling definitive diagnosis and prenatal counseling.

Screening programs play a pivotal role. Carrier detection through HbA₂ estimation, premarital and antenatal screening, and cascade testing within families are essential strategies, particularly in high-prevalence populations like India.

The mutation spectrum in India is well characterized. The most common β-thalassemia mutation is IVS-I-5 (G→C), accounting for nearly half of cases, followed by IVS-I-1 (G→T), codon 41/42 deletion, codon 8/9 insertion, and the 619 bp deletion. In α-thalassemia, the –α³․⁷ deletion predominates. This knowledge allows for cost-effective targeted molecular screening.

For years, the central question in thalassemia was: how do we manage this disease?

Today, it is shifting to: how early can we treat it effectively? Oral drugs represent a major therapeutic advance; however, cost considerations, accessibility, and long-term real-world outcomes will influence their widespread adoption. Nevertheless, the direction is clear: thalassemia care is entering a transformative era. In modern medicine, early diagnosis is no longer just beneficial; it is truly transformative.

While the confirmation of the Andes strain of hantavirus behind the outbreak aboard the cruise ship MV Hondius in the South Atlantic has raised significant concerns of human-to-human transmission, experts from the International Hantavirus Society, as well as the World Health Organization (WHO), stated that the situation does not raise the risk of a pandemic.

So far, eight cases have been reported, including three deaths. The WHO has also confirmed that six cases have tested positive for the Andes virus, which can spread from person to person, through PCR testing.

The International Hantavirus Society, in a statement, warned that the virus differs significantly from most other hantaviruses because it can spread between people.

Founded in 2001, the Hantavirus Society is a global organization of scientists, clinicians, and researchers focused on studying hantaviruses, including their ecology, pathogenesis, and prevention.

“The virus on board the MV Hondius is the Andes strain of hantavirus. It is serious,” said the WHO chief Tedros Adhanom Ghebreyesus, in an open statement on the social media platform X.

However, the WHO and the members of the Hantavirus Society maintained that the current outbreak is not another COVID-19 outbreak.

So, first, let us understand all about the Andes Virus.

What Is Andes Virus

The Andes virus is a rare but highly dangerous pathogen of hantavirus, found primarily in Argentina and Chile. It is the only type of hantavirus known to man to spread among humans.

Unlike many hantaviruses seen in Europe, Asia, and North America, which are typically transmitted from infected rodents to humans, the Andes virus has repeatedly shown evidence of person-to-person spread.

As per experts, transmission usually occurs in situations involving prolonged or close contact. But how close is a question that has been recurring. The Hantavirus Society answers this.

“Over the past decades, multiple outbreak investigations, household clusters, nosocomial events, and genomic analyses have provided convincing evidence that ANDV can be transmitted between individuals under specific close-contact conditions. These may include household exposure, intimate contact, caregiving without suitable personal protective equipment, and prolonged exposure in poorly ventilated or crowded settings,” it said.

Pointing out decades of outbreak investigations, hospital clusters, and genetic studies, experts emphasized: “Human-to-human transmission of Andes virus should no longer be considered hypothetical”.

The scientists stressed that current evidence does not suggest the virus spreads easily through casual community interaction in the way diseases like measles, influenza, or COVID-19 do.

Also Read: Hantavirus Outbreak: How MV Hondius Passengers Will Be Screened And Evacuated

Andes Virus: High Fatality Rate A Concern

But the Andes virus is associated with hantavirus pulmonary syndrome (HPS) — a severe respiratory illness that can rapidly become fatal. Reported fatality rates range from 20% to 40%, depending on the outbreak setting, quality of medical care, and surveillance capacity.

Recent surveillance data highlight the seriousness of the disease:

• Argentina reported 86 confirmed hantavirus cases in 2025, including 28 deaths.
• Chile reported 35 confirmed cases, including 7 deaths.

Why Continuous Monitoring Is Important?

The first major indication of person-to-person transmission emerged during the 1996 El Bolsón/Esquel outbreak. More recently, the 2018–2019 Epuyén outbreak infected 34 people after a single index case attended crowded social gatherings while symptomatic.

Strict public health interventions — including isolation, quarantine, and active contact tracing — reduced transmission.

Read More: Hantavirus: Israel Confirms 1st Case as UK, Spain Probe Suspected Infections; Should You Be Worried?

The Hantavirus Society noted that a confined environment aboard the MV Hondius means that passengers and crew may still be within the virus’s incubation period.

The scientists thus warned, "A negative PCR test shortly after exposure does not necessarily rule out future infection.” They recommend “ongoing monitoring, repeat testing where necessary, and antibody testing for close contacts”.

Experts are also examining whether transmission could occur during early or minimally symptomatic stages, rather than only after obvious illness begins.