Omicron overtakes Delta as dominant variant of COVID-19 in Miami | News from USA®

MIAMI (AP) – Omicron overtook the delta variant in Miami-Dade County as the dominant strain of the coronavirus within weeks, according to genomic surveillance data.

Genetic sequencing of the virus has shown that omicron has gone from a tiny fraction of hundreds of samples taken in the first week of December to nearly three out of four samples taken last week.

“It’s absolutely amazing how contagious this variant has turned out to be,” Miami-Dade Mayor Daniella Levine Cava told the Miami Herald. The town hall provided the genomic surveillance data.

The county contracts with NOMI Health to perform the testing, vaccination and sequencing. The company found that 76% of the 504 COVID-19 samples taken from December 14 to 15 were the omicron variant. That compares to 64% of the 378 samples collected December 10-13 and 1.3% of the 373 samples collected December 1-5, according to county records.

The variant is also sweeping the country, accounting for 73% of new infections last week, federal health officials said.

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The county is also seeing an increase in positive COVID-19 cases, which stand at 10% after dropping to around 1% a month ago, data shows.

Last week, Levine Cava reinstated an emergency order requiring hospitals to provide daily bed inventories and COVID-19 patient counts.

“And it’s up to us to protect ourselves and the most important thing we can do is immunize. “

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