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Article
Multidisciplinary Sciences
Rapid epidemic expansion of the SARS-CoV-2 Omicron variant in southern Africa
Raquel Viana et al.
Summary: The SARS-CoV-2 epidemic in southern Africa has experienced three distinct waves, driven by different variants. The recently identified Omicron variant has rapidly spread in South Africa and to numerous countries, raising global concern.
NATURE (2022)
Article
Infectious Diseases
Hospital admission and emergency care attendance risk for SARS-CoV-2 delta (B.1.617.2) compared with alpha (B.1.1.7) variants of concern: a cohort study
Katherine A. Twohig et al.
Summary: A study in England found that patients with COVID-19 infected with the delta variant were more likely to be admitted to hospital or attend emergency care compared to those infected with the alpha variant. This suggests that outbreaks of the delta variant in unvaccinated populations may pose a greater burden on healthcare services.
LANCET INFECTIOUS DISEASES (2022)
Article
Multidisciplinary Sciences
Increased mortality in community-tested cases of SARS-CoV-2 lineage B.1.1.7
Nicholas G. Davies et al.
Summary: Studies have shown that the SARS-CoV-2 B.1.1.7 lineage is more transmissible and may cause more severe illness compared to pre-existing variants.
NATURE (2021)