(Bloomberg) -- South Africa’s daily number of confirmed Covid-19 cases almost quadrupled from Tuesday as the omicron variant spreads across the country.

The country recorded 16,055 infections in the last 24 hours and a positivity rate accelerated to 24.3% from 16.5% on Tuesday, according to the National Institute for Communicable Diseases.

A South African study of infections since the start of the pandemic found that the risk of reinfection from the omicron coronavirus variant is three times higher than for any previous strain.

Omicron Linked to Threefold Surge in Reinfection Risk

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