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Appropriate season for measles immunisation campaign in India
Abstract:
Review of literature on the seasonality of measles in India reveals that measles occur throughout the year with peaks around March, while October-November are the low transmission months. The epidemics of measles however, occur any time during the year. Nevertheless, measles vaccination campaigns are carried out in India in the Month of March to increase the vaccine coverage levels. Being the low transmission season, October and November may be more appropriate for undertaking measles campaigns in India.
Insights
Measles occur year-round in India, peaking in March. Conducting measles vaccination campaigns during the low transmission months of October-November could improve vaccine coverage.
Area of Science:
- Epidemiology
- Public Health
- Vaccinology
Background:
- Measles transmission in India exhibits seasonal patterns, with peak incidence typically observed around March.
- Measles epidemics can occur throughout the year, irrespective of seasonal trends.
- Current measles vaccination campaigns in India are conducted in March.
Purpose of the Study:
- To analyze the seasonality of measles in India.
- To determine optimal timing for measles vaccination campaigns to enhance vaccine coverage.
Main Methods:
- A review of existing literature on measles seasonality in India was conducted.
Main Results:
- Measles transmission occurs throughout the year in India, with a notable peak around March.
- October and November are identified as months with low measles transmission.
- Measles epidemics can arise at any time of the year.
Conclusions:
- Conducting measles vaccination campaigns during the low transmission season (October-November) may be more effective for increasing vaccine coverage.
- Aligning vaccination campaigns with periods of lower transmission could potentially optimize public health interventions against measles.