Related Experiment Videos
Efficacy of two dose measles vaccination in a community setting
M A Phadke1, I Bhargava, P Dhaigude
1Department of Pediatrics, B.J. Medical College, Pune, India.
Insights
A two-dose measles vaccination schedule, administered six months apart, significantly enhances protection against measles compared to a single dose in community settings. This approach reduces measles incidence effectively.
Area of Science:
- Public Health
- Immunization Practices
- Pediatric Infectious Diseases
Background:
- Measles remains a significant public health concern globally, necessitating effective vaccination strategies.
- Single-dose measles vaccination has limitations in achieving long-term immunity in certain populations.
- Community-based vaccination programs are crucial for disease control.
Purpose of the Study:
- To evaluate and compare the effectiveness of a two-dose measles vaccination regimen versus a single-dose regimen.
- To determine the impact of a booster measles dose on disease incidence in a community setting.
Main Methods:
- Two community blocks with substantial child populations (8990 and 8550, <12 years) were selected for the study.
- Children aged 9 months to 1 year received the first measles dose; Block A received a second dose (MMR) 6 months later, while Block B received only one dose.
- A follow-up survey from January 1996 to April 1996 clinically assessed measles cases in both blocks.
Main Results:
- Block A (two-dose) reported only 3 cases of measles, significantly lower than Block B (single-dose) which had 16 cases (p < 0.01).
- Key parameters, including cold chain maintenance, were consistent across both study groups, ensuring comparable logistical conditions.
Conclusions:
- The study demonstrates the superior efficacy of a two-dose measles vaccination schedule over a single dose in a community setting.
- A six-month interval between measles vaccine doses enhances protective immunity and reduces disease prevalence.
- Implementing a two-dose strategy is recommended for improved measles control in public health initiatives.
Objective:
To compare the efficacy of two dose and single dose measles vaccination in a community setting.
Design:
Two community ICDS blocks with populations of 8990 and 8550 children below 12 years of age were selected. Block A had 1560 children between 9 mo to 1 year of age and Block B had 1380 children between the age of 9 mo to 1 year.
Methods:
All eligible children between 9 mo to 1 year of age were given measles vaccination in October 1994. Only the children in Group A were given a second dose of measles (as MMR) in April 1995; six months after the first dose. A survey was undertaken from January 1996 to April 1996 to clinically evaluate the number of cases of measles in both these blocks.
Results:
In Block A 3 children developed measles, whereas in Block B, there were 16 cases of measles (p < 0.01). All other parameters in both groups, e.g., cold chain maintenance were similar.
Conclusion:
This study supports the superiority of two dose measles vaccination given at an interval of 6 months over a single dose measles in a community setting.