Related Experiment Video

Updated: Jul 13, 2026

Primary Sjogren's Syndrome Associated with Lung Adenocarcinoma: Probing the Potential Common Pathogenic Mechanisms and Experimental Verification
10:21

Primary Sjogren's Syndrome Associated with Lung Adenocarcinoma: Probing the Potential Common Pathogenic Mechanisms and Experimental Verification

Published on: September 20, 2024

[Epidemiological aspects of SSPE]

Kenji Nihei1

  • 1Tokyo Nishi Tokushukai Hospital.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|August 19, 2007
PubMed

Insights

Subacute sclerosing panencephalitis (SSPE) is a rare neurological complication of measles. While vaccination has reduced SSPE incidence in developed nations, fluctuations in immunization rates can cause temporary increases, highlighting the need for sustained high vaccination coverage.

Area of Science:

  • Neurology
  • Pediatrics
  • Infectious Diseases

Context:

  • Subacute sclerosing panencephalitis (SSPE) is a rare, fatal neurodegenerative disease caused by persistent measles virus infection.
  • Widespread measles vaccination has significantly reduced SSPE incidence globally, particularly in developed countries since the late 20th century.
  • However, fluctuations in vaccination rates can lead to resurgence, as observed in Japan between 1993-1998.

Purpose:

  • To analyze the long-term incidence of SSPE in Japan in relation to measles vaccination coverage.
  • To identify trends and potential future challenges for SSPE management and prevention.

Summary:

  • This study examined 114 living SSPE cases in Japan as of 2003.
  • SSPE incidence declined sharply after measles vaccination began in 1978, but a rise was noted during 1993-1998, coinciding with a dip in immunization rates.
  • With vaccination rates exceeding 90% post-1999, SSPE incidence has fallen again, suggesting it will become rare.

Impact:

  • Sustained high measles vaccination rates are crucial for eradicating SSPE.
  • Future challenges may include adult-onset SSPE, infant cases, and SSPE in immunocompromised individuals or following vaccination.
  • Understanding these trends is vital for public health strategies aimed at preventing SSPE globally.

Related Concept Videos

Infectious Diseases and Their Occurrence01:28

Infectious Diseases and Their Occurrence

Infectious diseases appear in populations through various transmission patterns, influenced by pathogen characteristics, population immunity, environmental conditions, and social behavior. Understanding these patterns is essential for effective public health surveillance and intervention. These categories—sporadic, outbreak, epidemic, pandemic, and endemic—help frame the nature and scope of disease events.Sporadic diseases occur irregularly and infrequently, without a predictable temporal or...
Introduction to Epidemiology01:26

Introduction to Epidemiology

Epidemiology, known as the cornerstone of public health, involves studying the distribution and determinants of health-related events in defined populations and applying these insights to control health issues. This is essential for understanding how diseases spread, identifying populations at greater risk, and implementing measures to control or prevent outbreaks. Epidemiology addresses not only infectious diseases but also non-communicable conditions like cancer and cardiovascular disease,...
Investigation of Disease Outbreaks01:23

Investigation of Disease Outbreaks

Multistate foodborne outbreaks pose significant public health risks and require meticulous investigation to identify sources and implement control measures. The Centers for Disease Control and Prevention (CDC) utilizes a dynamic seven-step process for these investigations, integrating data from laboratories, interviews, and environmental assessments to protect public health.Outbreak Detection: The detection of multistate outbreaks typically begins with PulseNet, the CDC's national laboratory...
Steps in Outbreak Investigation01:18

Steps in Outbreak Investigation

In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:
Principles of Disease Surveillance01:26

Principles of Disease Surveillance

Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
Statistical Methods for Analyzing Epidemiological Data01:25

Statistical Methods for Analyzing Epidemiological Data

Epidemiological data primarily involves information on specific populations' occurrence, distribution, and determinants of health and diseases. This data is crucial for understanding disease patterns and impacts, aiding public health decision-making and disease prevention strategies. The analysis of epidemiological data employs various statistical methods to interpret health-related data effectively. Here are some commonly used methods: