Can measles be eradicated globally?

Area of Science:

• Public Health
• Infectious Diseases
• Vaccinology

Background:

• Measles is a highly contagious childhood illness, historically affecting nearly all children before widespread vaccination.
• Despite the introduction of the measles vaccine by the late 1980s, approximately 800,000 children globally, primarily in Africa, still succumb to measles annually.
• Measles eradication is crucial for improving global child survival rates.

Purpose of the Study:

• To assess the feasibility and impact of measles eradication strategies.
• To highlight the success of measles elimination efforts in the Americas as a model for global eradication.

Main Methods:

• Review of global measles vaccination programs and their impact.
• Analysis of the Pan American Sanitary Conference's 1994 goal for measles eradication in the Americas.
• Examination of transmission interruption data and sustained disease control.

Main Results:

• Measles is no longer endemic in the Americas, with documented interruption of transmission in most countries.
• Venezuela reported its last indigenous measles case over 12 months prior to November 2003, demonstrating sustained control.
• The experience in the Americas proves that measles transmission can be interrupted and maintained at zero levels.

Conclusions:

• Global measles eradication is feasible with the implementation of a suitable strategy.
• Sustained immunization programs, even post-eradication, represent a sound investment to prevent costly epidemics and save nearly one million lives annually.
• Achieving a measles-free world by 2015 is a realistic and attainable objective.