Immunology is increasingly coming to the forefront of modern biomedicine and strongly captures the popular imagination. From the revolutionary development of vaccines during the COVID-19 pandemic to providing profound insights into autoimmune disorders and cancer treatments, immunological research is driving biomedical innovation now more than ever. The recent pandemic has revealed immunology not as an esoteric science, but as the very foundation of public health, economic stability, and human resilience.
The field of immunology began to benefit humanity even before its mechanisms were fully understood. The classic example is undeniable: Edward Jenner’s findings led to the invention of vaccines in 1796, more than two centuries before immunology was formalized as a specialized domain. The significant number of Nobel Prizes in Physiology or Medicine awarded to immunologists underscores the critical importance of the field. As we look to the future, the strategic development of immunology expertise, particularly in populous countries like India with unique health challenges, will be critical to addressing global health threats and advancing personalized medicine.
A critical role
The consistent recognition of immunological discoveries by the Nobel Foundation highlights the transformative impact of the field. In total, immunology has been awarded Nobel Prizes in 16 different years with 31 laureates. In the past 50 years alone, 21 immunologists have been honored. This pattern shows how the accumulation of knowledge and technological advances in immunology have changed our understanding of human health and disease over the past half century.
The latest addition to this distinguished legacy is the 2025 prize awarded to Mary E. Brunkow, Fred Ramsdell, and Shimon Sakaguchi for discoveries related to peripheral immune tolerance. Their collective work identified regulatory T cells and revealed the body’s sophisticated mechanism for preventing autoimmune attacks. These “security guards” of the immune system maintain balance by suppressing overactive immune responses, a discovery that has opened new avenues for the treatment of autoimmune diseases, cancer and transplant rejection. The 2025 prize celebrates specific breakthroughs while highlighting the continued centrality of immunology to advances in biomedicine.
The COVID-19 pandemic has also demonstrated the critical role of immunology in global health security. The record-breaking development of effective vaccines against SARS-CoV-2 has enabled decades of basic immunological research, especially mRNA vaccine technology (awarded the Nobel Prize in 2023). The pandemic has accelerated the adoption of new vaccine platforms and highlighted their potential to address future health crises. The response illustrated how immunological knowledge, if effectively translated into technology, can change the course of global events and highlighted the need to maintain robust research ecosystems to prepare for future infectious disease threats.
Extension of scope
Immunology has also revolutionized cancer treatment through immunotherapy, which uses the immune system to recognize and eliminate tumor cells. Checkpoint inhibitors (Nobel Prize 2018), CAR-T lymphocyte therapy and cancer vaccines now represent a new pillar of oncology, complementing traditional modalities such as chemotherapy and radiation.
The scope of immune-based therapies is expanding into clinical contexts previously considered separate from immunology. Researchers are investigating the connection between the immune system and the brain, and are investigating how inflammation may contribute to depression and neurodegenerative diseases. There is even increasing evidence that the immune system plays a role in metabolic disorders and aging, opening up the possibility of immunomodulatory therapies for conditions such as diabetes and promoting healthier and longer lives.
The immune system, it turns out, is not just a shield against pathogens: it is a master regulatory network, intricately linked to the function of every organ and biological process.
The strategic importance of immunology in the future of biomedicine cannot therefore be overestimated. From Nobel Prize-winning basic research to revolutionary clinical applications, immunological knowledge continues to drive medical progress. For a country like India, with its huge population and unique burden of communicable and non-communicable diseases, the immunological revolution represents both a monumental opportunity and a significant challenge. By addressing current weaknesses in training programs and leveraging unique population resources, India can become a leader in immunological research relevant to local and global health priorities. Caring for this area through education, research investment and international collaboration will be essential to realizing its full potential to improve human health worldwide.
Investment in immunology
Traditionally, the strength of Indian medicine has been its clinical acumen and ability to handle huge numbers of patients. However, to truly engage and benefit from the coming age of immunomedicine, a solid foundation in immunology education is not a luxury: it is an urgent necessity. We therefore need to fundamentally reshape the way we teach and practice immunology and foster stronger collaboration between basic immunologists in laboratories and clinicians on the front lines of hospitals. This also requires a rethinking of immunological pedagogy in basic biology. Undergraduate and graduate degree programs must place due emphasis on immunology, not only to keep pace with scientific progress, but also to acquaint students with the field’s technological innovations.
Reforms to better prepare our biologists and doctors for the future will also encourage domestic research tailored to India’s specific needs. Can we design vaccines uniquely effective for our population? Why are some autoimmune diseases more common or occur differently here? How can we develop more affordable versions of cutting-edge immunotherapies for Indian cancer patients? The answers to these questions should not come from abroad; they must be cultivated in our own institutions.
Looking ahead, the leaders in biomedicine will be nations that have invested not only in research infrastructure but also in their human capital: by raising a generation of scientists, doctors and technologists who are fluent in the complex language of immunology.
For India, embracing this “Immunology Era” is key to transforming its healthcare system from a large primary care provider to a global leader in the next wave of medical innovation that will ensure that the wonders of modern immunology reach every one of its citizens.
Dipyaman Ganguly is Professor and Head of the Department of Biology, Ashoka University, Sonipat.
Published – 20 October 2025 05:30 IST
