'I do think in places that we are seeing this really steep incline, that we may well see also a precipitous decline, but we're also a much bigger country than South Africa.'
Chip Somodevilla/Getty Images, FILE
There is data to show that previous delta infections do not fully protect against omicron infections, but that lab studies have shown omicron infection may protect against future delta infections, she said. "So, rates are higher in the pediatric populations than we've seen previously, but they're also higher among our other populations and many populations that are also vaccinated," Walensky said, reflecting how much the virus has spread."We are following the science carefully on that," she said."We have not yet seen that signal.
Walensky said she began those briefings Friday because"we had heard clearly over the last week that there was interest in hearing from us independently.
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