![]() Read also: Why we won’t see herd immunity for COVID-19 Some experts say it’s too soon to abandon mitigation measures like face masks, which have proved effective in containing case spread. The Biden administration has said it’s preparing to move the nation to a new phase of the pandemic, one where COVID can be managed using vaccines and treatments, and where some semblance of normality is restored. That leaves the unvaccinated at the highest risk of being hospitalized or of dying from omicron, making it ever more important that they get their shots. But those cases have mostly been mild or asymptomatic, meaning vaccines still offer a high level of protection against severe disease and death. Omicron has proved highly transmissible and resistant to vaccines, causing many breakthrough infections in vaccinated people and even those who have had a booster shot. ![]() The new metrics will still consider caseloads, but also take into account hospitalizations and local hospital capacity, which have been markedly improved during the emergence of the omicron variant. Under current guidelines, masks are recommended for people residing in communities of substantial or high transmission - roughly 95% of U.S. The change will shift from looking at COVID-19 case counts to a more holistic view of risk from the coronavirus to a community.
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