The omicron wave that assaulted the United States this winter also bolstered its defenses, leaving enough protection against the coronavirus that future spikes will likely require much less — if any — dramatic disruption to society.
And there will be future outbreaks. The notion of a “herd immunity” that could stop the virus has slipped away under the harsh reality of new variants, waning immunity, and the rejection of vaccines by some Americans.
"I am optimistic even if we have a surge in summer, cases will go up, but hospitalizations and deaths will not,” said Mokdad, who works on the Institute for Health Metrics and Evaluation model, which calculated the 73% figure for The Associated Press. “But I am still a little leery that there could be another variant around the corner,” said Rixen, noting that her family and most of her relatives are fully vaccinated. “I am still going to wear a mask.”
To address that, researchers are trying to answer questions about the virus, the vaccine, and how our bodies respond: How fast is booster protection waning against omicron? How long does protection from infection last? How many mild infections were never reported? How many people got infected but had no symptoms?
The Centers for Disease Control and Prevention is “cautiously optimistic" about the downward trend in omicron-fueled COVID cases. CDC Director Rochelle Walensky said they were considering new benchmarks for masking, based on levels of severe illness and hospital capacity.
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