🆕 Omicron [O] and Delta [D] outcomes for hospitalizations, deaths and by vaccines in > 1 million O and ~450,000 D cases in England
papers.ssrn.com/sol3/papers.cf…
—75% reduced hospitalization risk for O vs D
—For O, Booster >70% protection vs hospitalizations and deaths across all ages
papers.ssrn.com/sol3/papers.cf…
—75% reduced hospitalization risk for O vs D
—For O, Booster >70% protection vs hospitalizations and deaths across all ages
2 and 3 dose vaccine effects vs hospitalization (both AZ and mRNA)
and
Prior Covid, without vaccination, had moderate protection (HR 0.53) vs hospitalization for Omicron, and high protection vs death.
and
Prior Covid, without vaccination, had moderate protection (HR 0.53) vs hospitalization for Omicron, and high protection vs death.
Children age < 10 had infrequent hospital admissions and the incidence did not differ significantly between Delta and Omicron
mRNA booster protection vs Omicron for 12+ weeks
Hospitalization 81%
Death 87%
(Point estimates, see Table for HR 95% confidence intervals)
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Infection, unvaccinated vs Omicron
Hospitalization 45%
Death 82%, note wide 95% CI
Hospitalization 81%
Death 87%
(Point estimates, see Table for HR 95% confidence intervals)
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Infection, unvaccinated vs Omicron
Hospitalization 45%
Death 82%, note wide 95% CI
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