Coverage Comparison
SG7 (local)98.1%
England Average88.9%
WHO Herd Immunity Target95%
Herd immunity achieved. Coverage is 98.1% vs 88.9% national average.
Key Figures
98.1%
Local Coverage
1
Unvaccinated Children
53
Total Eligible
2
GP Practices
Outbreak Risk Estimate
Rt 0.3
Effective reproduction number
Low RiskRt ≤ 1 — outbreak cannot spread
Measles has a basic reproduction number (R0) of ~15 — one of the most infectious diseases known. At 98.1% coverage, each measles case in SG7 could infect approximately 0.3 others. An Rt above 1 means an outbreak can sustain itself.
GP Practices in SG7
| Practice | Postcode | Children | Coverage |
|---|---|---|---|
| THE BALDOCK SURGERY | SG7 6BP | 31 | 96.8% |
| ASHWELL SURGERY | SG7 5PY | 22 | 100% |
MMR Vaccine Facts
The MMR vaccine is safe
The MMR vaccine has been used for over 50 years with an excellent safety record. The 1998 Wakefield study claiming a link to autism was fraudulent and has been fully retracted.
Measles is dangerous
1 in 5 unvaccinated children who contract measles require hospitalisation. Complications include pneumonia, brain inflammation (encephalitis), and death.
Herd immunity protects everyone
95% coverage is needed to protect those who cannot be vaccinated — including newborns and immunocompromised individuals.
Need to Get Vaccinated?
Contact your GP practice to book an MMR vaccination appointment for your child.
Find Your GP →Area Details
DistrictSG7
RegionEast & South East
ICBHertfordshire And West Essex
Data QuarterQ3 2024–25
GP Practices2
Eligible Children53
Vaccinated52
Unvaccinated1
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