Author: Dr M Siva Durgaprasad Nayak

Health Care System in India: A Comprehensive Review

Health care System in IndiaDownload Introduction The health care system is the backbone of a nation’s public health, shaping the quality of life, longevity, and overall well-being of its citizens. In India, the health care system has evolved into a structured, multi-tiered network designed to provide preventive, promotive, curative, rehabilitative, and palliative services. Understanding its … Continue reading Health Care System in India: A Comprehensive Review →

Understanding Disaster Management Cycle: Proven Phases for Saving Lives and Reducing Risks

Disaster manangement CycleDownload Introduction On August 2, 2025, a powerful earthquake measuring 8.8 on the Richter scale struck off the eastern coast of Russia. This seismic event triggered tsunami alerts across several countries including Japan, the Philippines, and Alaska. The tremors were intense, ocean swells rose dramatically, and within minutes, warning systems were activated. Remarkably, … Continue reading Understanding Disaster Management Cycle: Proven Phases for Saving Lives and Reducing Risks →

NVBDCP: India’s Shield Against Deadly Vector-Borne Diseases

NVBDCPDownload Introduction Vector-borne diseases pose a significant public health threat in India, with the mosquito being the deadliest vector. A single species of mosquito is capable of transmitting multiple diseases—Aedes aegypti (dengue, chikungunya, Zika, yellow fever), Culex species (Japanese encephalitis, West Nile virus), and Anopheles mosquitoes (malaria). In response to this public health crisis, the … Continue reading NVBDCP: India’s Shield Against Deadly Vector-Borne Diseases →

Epidemiology of Hepatitis B: A Global Health Crisis

Epidemiology of Hepatitis BDownload Introduction to Hepatitis B Hepatitis B, often dubbed "serum hepatitis," is a serious liver infection caused by the hepatitis B virus (HBV). It presents a pressing global health challenge, especially in tropical and developing regions. Hepatitis B may manifest as an acute or chronic disease, ranging from mild, asymptomatic illness to … Continue reading Epidemiology of Hepatitis B: A Global Health Crisis →

The Science and Strategy of Screening: Principles, Criteria, and Applications

Screening - 2Download Screening has become an essential public health strategy for early disease detection, enabling timely intervention and reducing the burden of morbidity and mortality. However, it is not a blanket process to be applied indiscriminately. The concept of screening is governed by scientific, ethical, and economic considerations, primarily laid out by Wilson and … Continue reading The Science and Strategy of Screening: Principles, Criteria, and Applications →

Emerging and Reemerging Infectious Diseases: A Global Health Challenge

Emerging^0 Reemerging infectious diseasesDownload Introduction The resurgence of diseases once thought to be eliminated, alongside the appearance of new pathogens, has emerged as a critical concern in global health. The reappearance of measles in 2025, despite its near-eradication, underscores the vulnerabilities in public health systems and the dynamic nature of infectious diseases. Emerging and reemerging … Continue reading Emerging and Reemerging Infectious Diseases: A Global Health Challenge →

Investigation of Epidemic: An Integrated Public Health Approach

Investigation of EpidemicDownload Introduction An epidemic is defined as the occurrence of disease cases in a community or region clearly in excess of normal expectancy for a specific period. Statistically, an epidemic is often identified when the number of cases exceeds two standard deviations above the mean of historical data. Sometimes, even a single case … Continue reading Investigation of Epidemic: An Integrated Public Health Approach →

Screening for Disease: A Public Health Imperative

ScreeningDownload Screening plays a pivotal role in modern preventive medicine by identifying diseases in asymptomatic individuals before they manifest clinically. The concept is simple but powerful—intervene early to prevent complications, reduce morbidity, and improve quality of life. 1. The Concept and Importance of Screening Screening is defined as the search for unrecognized disease or defect … Continue reading Screening for Disease: A Public Health Imperative →

Understanding Statistical Tests of Significance in Medical Research: A Deep Dive into Correlation and Regression Models

Tests of Significance 2Download Statistical tests of significance are fundamental to modern medical research. These tests allow clinicians and researchers to determine the strength and nature of associations, predict health outcomes, and make data-driven decisions. Two major categories of such tests include correlation and regression models. Each test serves specific types of data and research … Continue reading Understanding Statistical Tests of Significance in Medical Research: A Deep Dive into Correlation and Regression Models →