Covid risk normalcy - Norway’s lenient prisons - Social media culpability

The three new studies from the agency are among the first to look at the vaccines' impact against omicron in the United States. Against omicron, the vaccines' effectiveness for keeping people out of ERs and urgent care centers fell dramatically, to 38% 6 months after the second dose. A booster shot raised that level of effectiveness to 82%.
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When researchers looked specifically at patients who needed to be admitted to the hospital during the omicron surge, two shots were 81% effective. That effectiveness fell to 57% in people who were 6 months out from their second dose, but then rose to 90% after a third dose.
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The CDC doesn't plan to change the definition of what it means to be fully vaccinated, [CDC director Dr. Rochelle Walensky] said. Instead, Walensky said the agency is "pivoting our language" to make sure people are "up to date" on their Covid vaccinations. "If you recently got your second dose, you're not eligible for a booster," she said. "If you are eligible for a booster and you haven't gotten it, you're not up to date."