South African data found that Omicron may not be able to prevent it through immunity to other COVID infections

A sort of South Africa A preprint study found that omicron variants may not be prevented by previous COVID-19 infections.

The study has not been peer-reviewed and found that the omicron variant spreads twice as fast as the delta variant, and the new variant is three times more likely to be reinfected than the other variants.

The study did not find out whether omicron is susceptible to people vaccinated against COVID-19, or how previous infections can reduce the severity of their infections.

Soon after the omicron variant was first discovered in southern Africa, it was discovered in at least 10 states.

The states where omicron has been found include Maryland, Utah, Missouri, Pennsylvania, New York, California, Colorado, Minnesota, Nebraska, and Hawaii.

The first case was detected in California this week from someone who has been there recently South Africa.

The Biden administration imposed travel restrictions last week, prohibiting travel from South Africa, Botswana, Zimbabwe, Namibia, Lesotho, Swaziland, Mozambique and Malawi.

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