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Jan 27, 2022 · Average weekly, age-standardized rates of cases and deaths (events per 100,000 population) were higher during periods of Delta predominance and Omicron emergence than during pre-Delta and Delta emergence periods and were consistently higher in all periods among unvaccinated persons (range = 64.0–725.6 [cases] and 1.5–11.4 [deaths]) than ...
Mar 25, 2023 · In a second analysis stratified by time since booster vaccination, there was a progressive decline from the Delta period (RR = 50.7) to the early BA.4/BA.5 period (7.4) in relative COVID-19 mortality rates among unvaccinated persons compared with persons receiving who had received a monovalent booster within 2 weeks–2 months.
Sep 16, 2021 · Unvaccinated Americans have died at 11 times the rate of those fully vaccinated since the delta variant became the dominant strain, indicate surveillance data gathered over the summer by the US Centers for Disease Control.
- Owen Dyer
- 2021
Dec 20, 2021 · The rates among unvaccinated individuals compared with vaccinated persons were 116.0 and 783.5 Covid-19 cases per 100,000 and 1.2 and 17.2 deaths per 100,000 persons. 16
During the late BA.4/BA.5 period, unvaccinated persons had higher COVID-19 mortality and infection rates than persons receiving bivalent doses (mortality RR = 14.1 and infection RR = 2.8) and to a lesser extent persons vaccinated with only monovalent doses (mortality RR = 5.4 and infection RR = 2.5).
Jan 28, 2022 · COVID-19 Incidence and Death Rates Among Unvaccinated and Fully Vaccinated Adults with and Without Booster Doses During Periods of Delta and Omicron Variant Emergence - 25 U.S. Jurisdictions, April 4-December 25, 2021. MMWR Morb Mortal Wkly Rep. 2022 Jan 28;71 (4):132-138. doi: 10.15585/mmwr.mm7104e2. Authors.
Jul 31, 2021 · That updated guidance was based in part on a new internal report that cited evidence that vaccinated people experiencing breakthrough infections of the Delta variant, which remain infrequent, may...
