[HTML][HTML] Emergence of SARS-CoV-2 omicron lineages BA. 4 and BA. 5 in South Africa

H Tegally, M Moir, J Everatt, M Giovanetti… - Nature medicine, 2022 - nature.com
Abstract Three lineages (BA. 1, BA. 2 and BA. 3) of the severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) Omicron variant of concern predominantly drove South Africa's …

Continued emergence and evolution of Omicron in South Africa: New BA. 4 and BA. 5 lineages

H Tegally, M Moir, J Everatt, M Giovanetti, C Scheepers… - MedRxiv, 2022 - medrxiv.org
South Africa's fourth COVID-19 wave was driven predominantly by three lineages (BA. 1, BA.
2 and BA. 3) of the SARS-CoV-2 Omicron variant of concern. We have now identified two …

[HTML][HTML] The latest Omicron BA. 4 and BA. 5 lineages are frowning toward COVID‐19 preventive measures: a threat to global public health

MR Islam, M Shahriar, MA Bhuiyan - Health science reports, 2022 - ncbi.nlm.nih.gov
1. BACKGROUND A cluster of pneumonia cases was reported by the Wuhan Municipal
Health Commission, China, Hubei Province, resulting in the identification of a novel …

Are COVID surges becoming more predictable

E Callaway - Nature, 2022 - nature.com
BA. 4 and BA. 5 spread faster than previous Omicron variants and are accounting for a
growing proportion of COVID-19 cases in South Africa. in Johannesburg, South Africa …

[HTML][HTML] Rapid epidemic expansion of the SARS-CoV-2 Omicron variant in southern Africa

R Viana, S Moyo, DG Amoako, H Tegally, C Scheepers… - Nature, 2022 - nature.com
The SARS-CoV-2 epidemic in southern Africa has been characterized by three distinct
waves. The first was associated with a mix of SARS-CoV-2 lineages, while the second and …

[HTML][HTML] Sixteen novel lineages of SARS-CoV-2 in South Africa

H Tegally, E Wilkinson, RJ Lessells, J Giandhari… - Nature medicine, 2021 - nature.com
The first severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in South
Africa was identified on 5 March 2020, and by 26 March the country was in full lockdown …

[HTML][HTML] Emergence and spread of a SARS-CoV-2 lineage A variant (A. 23.1) with altered spike protein in Uganda

DL Bugembe, MVT Phan, I Ssewanyana… - Nature …, 2021 - nature.com
Here, we report SARS-CoV-2 genomic surveillance from March 2020 until January 2021 in
Uganda, a landlocked East African country with a population of approximately 40 million …

Identification of SARS‐CoV‐2 Omicron variant using spike gene target failure and genotyping assays, Gauteng, South Africa, 2021

K Subramoney, N Mtileni, A Bharuthram… - Journal of medical …, 2022 - Wiley Online Library
The circulation of Omicron BA. 1 led to the rapid increase in severe acute respiratory
syndrome coronavirus 2 (SARS‐CoV‐2) cases in South Africa in November 2021, which …

Emergence and rapid spread of a new severe acute respiratory syndrome-related coronavirus 2 (SARS-CoV-2) lineage with multiple spike mutations in South Africa

H Tegally, E Wilkinson, M Giovanetti, A Iranzadeh… - medrxiv, 2020 - medrxiv.org
Continued uncontrolled transmission of the severe acute respiratory syndrome-related
coronavirus 2 (SARS-CoV-2) in many parts of the world is creating the conditions for …

[HTML][HTML] Clinical severity of SARS-CoV-2 Omicron BA. 4 and BA. 5 lineages compared to BA. 1 and Delta in South Africa

N Wolter, W Jassat, S Walaza, R Welch… - Nature …, 2022 - nature.com
Omicron lineages BA. 4 and BA. 5 drove a fifth wave of COVID-19 cases in South Africa.
Here, we use the presence/absence of the S-gene target as a proxy for SARS-CoV-2 …