• New pre-print out of SA, looking at severity of Omicron infections recorded in Gauteng.

    https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3996320

    Twitter thread summary here: https://twitter.com/miamalan/status/1476535918781734912

    tldr:

    -4.9% of cases were admitted.
    -29% of those admissions were with severe disease.
    -Median hospital stay was half that of Delta admissions.
    -18% of admissions were in children, five times more than Delta wave.
    -Omicron transmission rate meant that while less severe, the wave lead to nearly the same number of admissions as Delta wave, but in a shorter period of time.

    Not much info on reasons why Omicron disease is less severe, but early data shows SA's very high level of Delta infections likely played a significant part.

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