CDC-backed study shows differences between Delta and Omicron — Analysis
A brand new examine shared by the CDC director reveals one coronavirus variant is way much less harmful, however much more transmissible
Whereas a examine out of southern California reveals the Omicron variant of the coronavirus is way milder than the Delta, US well being authorities proceed to insist on vaccination, boosters and masking resulting from “strained” hospitals.
Facilities for Illness Management and Prevention (CDC) director Rochelle Walensky shared on Wednesday the outcomes of the newest examine backed by the company, displaying the disparity between the 2 variants of the SARS-CoV-2 virus.
A group of scientists from the College of California, Berkeley, healthcare supplier Kaiser Permanente and the CDC analyzed knowledge from nearly 70,000 individuals in southern California and plugged it into their fashions. The pre-print outcomes of their examine have been printed on MedRXiv on Tuesday.
Walensky tweeted that the examine confirmed Omicron represented 53% much less threat of symptomatic hospitalization, 74% much less threat of intensive care admission, and 91% much less threat of dying, with zero sufferers requiring ventilators.
That is primarily based on the examine that analyzed 52,297 individuals who examined constructive for Omicron and 16,982 with Delta between November 30, 2021 and January 1, 2022. Of these, 235 (0.5%) have been hospitalized with Omicron and 222 (1.3%) with Delta infections.
Throughout a interval of each variants circulating, presumed Omicron infections “have been related to considerably decreased threat of extreme scientific endpoints and shorter durations of hospital keep,” based on the examine.
Walensky wasn’t fairly taking a victory lap, nevertheless, warning in a follow-up tweet that Omicron could also be much less extreme, however is “far more transmissible.”
“We’re seeing the unprecedented influence,” the CDC director mentioned, pointing to over 1,000,000 constructive checks in a single day and “99% of counties with excessive transmission [and] strained healthcare methods.”
“Defend in opposition to Covid-19: get vaccinated + boosted, put on a masks & keep residence if sick,” she added.