CNBC
By Spencer Kimball
People infected with the heavily mutated omicron variant of Covid-19 may have increased immune protection against delta, a new study says.
As a consequence, omicron could displace delta, according to the small study published by South African scientists this week.
The findings could have significant implications for nations such as the United States where omicron infections are rapidly increasing but the delta variant, which has caused an increase in hospitalizations, is still widespread.
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