Early assessment of the clinical severity of the SARS-CoV-2 omicron variant in South Africa: a data linkage study.
Lancet. 2022 Jan 29;399(10323):437-446. doi: 10.1016/S0140-6736(22)00017-4. Epub 2022 Jan 19.
Lancet. 2022.
PMID: 35065011
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