ICT in Health Emergencies: Enhancing Awareness and Response in Urban India

When health emergencies strike urban centers, the difference between containment and catastrophe often depends on how quickly information reaches the right people. Information and Communication Technology has emerged as a critical tool in managing health crises, particularly in India’s rapidly growing cities where dense populations and complex healthcare networks demand swift coordination. From disease surveillance systems to telemedicine platforms, digital tools are reshaping how urban India prepares for and responds to health emergencies.

Why communication matters in public health emergencies 🔗

Effective communication serves as the backbone of any successful emergency response. During health crises, timely information sharing enables protective actions, supports clinical decision-making, and speeds up recovery. A good communication system acts as the ‘brain’ of surveillance systems, where speed becomes critical in containing outbreaks, saving lives, and preventing widespread misery.

In India, with its population of over 1.4 billion spread across linguistically diverse regions, establishing seamless communication networks presents unique challenges. The Integrated Disease Surveillance Project (IDSP) addresses these challenges by connecting district hospitals, medical colleges, and public health laboratories through terrestrial and satellite-based networks. This infrastructure enables rapid data transfer, video conferencing, and real-time outbreak monitoring-essential capabilities for managing health emergencies in densely populated urban areas.

Digital initiatives transforming urban healthcare delivery 🔗

India’s digital health revolution encompasses several flagship programs designed to strengthen emergency response capabilities and expand healthcare access. These initiatives demonstrate how technology bridges gaps between urban and rural healthcare systems.

Ayushman Bharat Digital Mission 🔗

The Ayushman Bharat Digital Mission creates a nationwide digital health ecosystem by integrating healthcare providers and patients through unique health identifiers. As of January 2025, more than 73 crore health accounts have been created, with over 5 lakh health professionals registered on the platform. The mission provides digital health IDs that enable citizens to store and share medical records seamlessly, facilitating faster decision-making during emergencies.

The system includes critical components like the Healthcare Professionals Registry and Health Facility Registry, which create comprehensive databases accessible during crises. This digital infrastructure proved invaluable during COVID-19, enabling contact tracing and coordination between healthcare facilities across urban centers.

Integrated Disease Surveillance Programme 🔗

Launched in 2004, IDSP connects 800 sites across India through satellite and broadband networks, including district headquarters, state headquarters, government medical colleges, and infectious disease hospitals. The system monitors vector-borne infections, respiratory diseases, and vaccine-preventable diseases while maintaining a special category for unusual clinical syndromes that could signal biological threats.

The program operates a 24×7 call center with toll-free access that has received over 200,000 calls, with more than 150 confirmed health alerts. Additionally, a media scanning cell monitors approximately 70,000 newspapers and 500 television channels to detect early warning signals of outbreaks-demonstrating how traditional and digital media converge in modern surveillance systems.

Mission Indradhanush and immunization digitization 🔗

Mission Indradhanush aims to achieve 90% full immunization coverage across India, with intensified phases targeting partially immunized and unimmunized children. The initiative utilizes the Electronic Vaccine Intelligence Network (eVIN) to digitize vaccine stock management and temperature tracking from national to sub-district levels.

The recent U-WIN Portal, launched in October 2024, provides complete digitization of vaccination services for pregnant women and children. By November 2024, the platform had registered 7.43 crore beneficiaries and recorded 27.77 crore vaccine doses-showcasing how digital systems enhance immunization programs that protect urban populations against disease outbreaks.

Digital India’s impact on emergency health services 🔗

Two platforms exemplify how Digital India transforms emergency response capabilities: e-Sanjeevani and Aarogya Setu.

e-Sanjeevani telemedicine platform 🔗

e-Sanjeevani enables remote consultations, reducing burdens on physical healthcare facilities during emergencies. The platform operates in two modes: e-Sanjeevani OPD for direct doctor-to-patient consultations, and e-Sanjeevani AB-HWC connecting Health and Wellness Centers with specialist doctors for enhanced accessibility in underserved areas.

During health emergencies, telemedicine prevents healthcare system overwhelm by allowing patients with mild symptoms to receive care remotely, reserving hospital capacity for severe cases. This capability became especially crucial during the COVID-19 pandemic when minimizing physical contact was essential.

Aarogya Setu evolution 🔗

Originally developed as a COVID-19 contact tracing application, Aarogya Setu has transformed into a comprehensive National Health App powered by the Ayushman Bharat Digital Mission. Users can now register for health accounts, receive digital lab reports and prescriptions, schedule online doctor appointments through e-Sanjeevani, and manage vaccination certificates.

This evolution demonstrates how emergency response tools can be repurposed into permanent health infrastructure, creating lasting improvements in urban healthcare accessibility beyond the initial crisis.

ICT during COVID-19 and natural disasters 🔗

The COVID-19 pandemic showcased both the power and necessity of information technology in managing health emergencies at scale.

COVID-19 vaccination management 🔗

India’s CoWIN platform enabled registration and tracking of over 1.78 billion vaccine doses, making it one of the world’s largest digital vaccination drives. The platform provided individualized tracking for a population of 1.3 billion, with UNDP supporting the training of approximately one million health workers across 172,000 vaccination centers.

The 24/7 CoWIN helpline resolved technical queries from end-users, ensuring the system remained operational during critical vaccination phases. This massive digital coordination effort demonstrated how ICT enables emergency response at unprecedented scales in urban and rural settings alike.

Technology in contact tracing and monitoring 🔗

Various government departments collaborated to implement ICT solutions including contact tracing through Aarogya Setu, real-time data sharing between health facilities, and geo-fencing for quarantine management. These technologies enabled authorities to monitor infection spread patterns and deploy resources strategically across urban areas.

During natural disasters like floods, similar ICT infrastructure facilitates evacuation planning, resource distribution, and health monitoring in affected communities. Emergency Operations Centers use satellite and terrestrial communication networks to coordinate responses, with portable terminals deployed at disaster sites ensuring continuous connectivity.

Building health literacy for digital futures 🔗

While technology provides tools, effective emergency response depends equally on public health literacy-the ability of citizens to access, understand, and act on health information.

The digital divide challenge 🔗

Studies show only about 20% of India’s aging population possesses adequate digital health literacy, with significant gaps between urban and rural populations. Among older adults, mobile phone ownership reaches 50%, but smartphone usage and internet connectivity for health purposes remain below 10%.

This divide creates vulnerability during emergencies when digital platforms become primary communication channels. Urban populations generally demonstrate higher digital health literacy due to better technology access and education, yet disparities exist even within cities among different socioeconomic groups.

Integrating stakeholders for health literacy 🔗

Improving emergency preparedness requires collaboration between city platforms, universities, healthcare institutions, and private companies. Educational institutions can integrate digital health literacy into curricula, while companies can develop user-friendly interfaces that accommodate diverse literacy levels and language preferences.

Community health workers serve as critical bridges, helping populations with limited digital literacy access telemedicine and digital health records. Programs that provide peer-assisted capacity building at healthcare delivery centers show promise in improving digital health engagement among vulnerable populations.

Future directions 🔗

Moving forward, India’s digital health strategy must address several priorities. First, expanding internet infrastructure and electricity coverage in underserved areas ensures equitable access during emergencies. Second, developing multilingual, culturally appropriate interfaces makes digital health tools accessible to India’s linguistically diverse population.

Third, implementing lifelong health literacy programs that adapt to technological changes helps citizens remain informed as digital systems evolve. Finally, strengthening data privacy frameworks builds public trust in digital health platforms-essential for widespread adoption during future health emergencies.

The integration of artificial intelligence and machine learning into surveillance systems promises earlier outbreak detection, while blockchain technology may enhance secure health record sharing during multi-agency emergency responses.

What do you think? How can digital health platforms better reach populations with limited technology access during emergencies? What role should communities play in improving health literacy alongside government digital initiatives?

References

1. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3005571/
2. https://www.pib.gov.in/PressReleseDetailm.aspx?PRID=2094604
3. https://nhm.gov.in/index1.php?lang=1&level=2&sublinkid=824&lid=220
4. https://www.undp.org/digital/stories/digital-technology-can-be-gamechanger-emergency-health-response
5. https://csd.columbia.edu/research-projects/ict-and-covid-19
6. https://pmc.ncbi.nlm.nih.gov/articles/PMC11117001/