Fully Covid-19 vaccinated Vs Unvaccinated - Dr. Sheetu Singh

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Fully vaccinated Vs Unvaccinated
Outcome Fully Vaccinated cohort () Unvaccinated cohort () Relative Risk p-value 95 CI
UV 2.8 38.7 0.0987 0.0001 0.032-0.304
ARI 8.5 16.7 0.5478 0.0832 0.277-1.082
ILI 0.9 35.5 0.0357 0.0009 0.005-0.253
Ab. 0.9 6.4 0.1558 0.0686 0.021-1.152
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Conclusion

• Flu vaccine is effective in reducing ILI
  unscheduled visits to doctor.
• No effect of partial vaccination

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SAGE Data- Protection against influenza

• Vaccine effectiveness studies have found VE of
  60-85 in children lt 5 yrs age when vaccine
  strains match well with circulating strains
• Limited data indicate additional protection of
  unvaccinated household and community contacts by
  immunization of children

Sage working group Background Paper on Influenza
Vaccines and Immunization. April 2012
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