1 World Health Organization, "Weekly epidemiological update on COVID-19 - 31 August 2021 (edition 55)"
2 Fajnzylber J, "SARS-CoV-2 viral load is associated with increased disease severity and mortality" 11 (11): 5493-, 2020
3 Singh J, "SARS-CoV-2 variants of concern are emerging in India" 27 (27): 1131-1133, 2021
4 Public Health England, "SARS-CoV-2 variants of concern and variants under investigation in England:technical briefing 14"
5 Sheikh A, "SARS-CoV-2 Delta VOC in Scotland: demographics, risk of hospital admission, and vaccine effectiveness" 397 (397): 2461-2462, 2021
6 Herlihy R, "Rapid increase in circulation of the SARS-CoV-2 B. 1. 617. 2(Delta)variant-Mesa County, Colorado, April-June 2021" 70 (70): 1084-1087, 2021
7 Fisman DN, "Progressive increase in virulence of novel SARS-CoV-2 variants in Ontario, Canada"
8 Zhang J, "Membrane fusion and immune evasion by the spike protein of SARS-CoV-2 Delta variant" eabl9463-, 2021
9 Korea Disease Control and Prevention Agency, "July 2021 status and characteristics of the COVID-19variant virus outbreak in the Republic of Korea" 14 (14): 3388-3396, 2021
10 Luo CH, "Infection with the SARS-CoV-2Delta variant is associated with higher infectious virus loads compared to the alpha variant in both unvaccinated and vaccinated individuals"
1 World Health Organization, "Weekly epidemiological update on COVID-19 - 31 August 2021 (edition 55)"
2 Fajnzylber J, "SARS-CoV-2 viral load is associated with increased disease severity and mortality" 11 (11): 5493-, 2020
3 Singh J, "SARS-CoV-2 variants of concern are emerging in India" 27 (27): 1131-1133, 2021
4 Public Health England, "SARS-CoV-2 variants of concern and variants under investigation in England:technical briefing 14"
5 Sheikh A, "SARS-CoV-2 Delta VOC in Scotland: demographics, risk of hospital admission, and vaccine effectiveness" 397 (397): 2461-2462, 2021
6 Herlihy R, "Rapid increase in circulation of the SARS-CoV-2 B. 1. 617. 2(Delta)variant-Mesa County, Colorado, April-June 2021" 70 (70): 1084-1087, 2021
7 Fisman DN, "Progressive increase in virulence of novel SARS-CoV-2 variants in Ontario, Canada"
8 Zhang J, "Membrane fusion and immune evasion by the spike protein of SARS-CoV-2 Delta variant" eabl9463-, 2021
9 Korea Disease Control and Prevention Agency, "July 2021 status and characteristics of the COVID-19variant virus outbreak in the Republic of Korea" 14 (14): 3388-3396, 2021
10 Luo CH, "Infection with the SARS-CoV-2Delta variant is associated with higher infectious virus loads compared to the alpha variant in both unvaccinated and vaccinated individuals"
11 Twohig KA, "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" S1473-3099 (S1473-3099): 00475-00478, 2021
12 Korea Disease Control and Prevention Agency, "Global trends and characteristics of the SARS-CoV-2 Delta variant" 14 (14): 2363-2365, 2021
13 Ong SWX, "Clinical and virological features of SARSCoV-2 variants of concern: a retrospective cohort study comparing B.1.1.7 (Alpha), B.1.315 (Beta), and B.1.617.2 (Delta)" ciab721-, 2021
14 Korea Disease Control and Prevention Agency, "Analysis rate and detection rate of COVID-19 mutant virus in Korea"