World is put on high alert over the Omicron coronavirus variant
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(Ivana Kotassova/ CNN News) — As fears mount over the newly identified coronavirus variant Omicron, governments around the world are scrambling to protect their citizens from a potential outbreak.

The new mutation, which is potentially more transmissible, was first discovered in South Africa and has since been detected in
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CDC finds unvaccinated 11 times more likely to die of COVID-19
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(Lauren Neergaard/ The Associated Press) — New U.S. studies released Friday show the COVID-19 vaccines remain highly effective against hospitalizations and death even as the extra-contagious Delta variant swept the country.

One study tracked over 600,000 COVID-19 cases in 13 states from April through mid-July.  …