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[Discussion on the elimination of measles based on the 45-year-incidence data in Inner Mongolia]
Abstract:
Measles incidence data collected since 1950 in Inner Mongolia is analyzed in this paper. The following characteristics have been noticed after measles vaccine was widely used: (1) the incidence and the mortality of measles kept decreasing, (2) The epidemic still occasionally appeared at low incidence level; (3) the proportion of cases in older children increased; (4) the peak month of the disease occurrence postponed; (5) the differences of incidence among districts depending on the implementation of vaccine and immunization. Since the goal of poliomyolitis eradication is given priority to and should be achieved, measles eradication program should not be overemphasized.
Insights
Measles incidence decreased significantly after widespread vaccination. However, occasional outbreaks persist, with older children increasingly affected, necessitating continued surveillance despite polio eradication priorities.
Area of Science:
- Epidemiology
- Vaccinology
- Public Health
Context:
- Analysis of measles incidence data in Inner Mongolia from 1950 onwards.
- Evaluation of epidemiological trends following the widespread introduction of measles vaccination.
Purpose:
- To analyze long-term measles incidence data in Inner Mongolia.
- To characterize changes in measles epidemiology post-vaccination.
Summary:
- Measles incidence and mortality declined post-vaccination, but occasional low-level outbreaks continue.
- Increased proportion of cases in older children, delayed seasonal peaks, and district-level incidence variations observed.
- The study suggests that while measles control is important, it should not overshadow the priority of poliomyelitis eradication.
Impact:
- Provides insights into the long-term effects of measles vaccination programs.
- Highlights the need for sustained public health efforts and surveillance for vaccine-preventable diseases.
- Informs resource allocation decisions in public health, balancing competing disease control priorities.
