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Ratio of the peak in cases and mortality rates for the current omicron/delta surge versus previous waves prior to 1 November 2021. Peaks calculated for daily weekly trailing averages of newly confirmed cases and deaths per 100 000 people. HIC=high income countries; UMIC=upper middle income countries; LMIC=lower middle income countries; LIC=low income countries. Source: https://pandem-ic.com/the-scale-of-the-omicron-escalation/
