“All close contacts have been contacted and have tested negative.”reported the institution’s text, the AFP news agency replied.
The case, which had been detected by California and San Francisco Departments of Public Health, was confirmed Wednesday by the CDC.
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The Omicron variant was first identified in South Africa a week ago and has since been designated as variant of concern by the World Health Organization (WHO).
While scientists lack accurate data, based on the pattern of mutations in the new strain, experts foresee that it circumvents at least in part the protective action of current vaccines. They also hope that it may be more transmissible than Delta, the dominant world variant today.
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The United States studies stricter tests and quarantine requirements for international travelers arriving in the country, including conducting a coronavirus test the day before departure, the CDC anticipated.
It is also evaluated to impose mandatory tests upon arrival in the country, and even a mandatory quarantineregardless of the test result, the Washington Post reported.
Source From: Ambito
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