Volume 27, Number 11—November 2021
Dispatch
Mutations Associated with SARS-CoV-2 Variants of Concern, Benin, Early 2021
Table 1
SNP assay |
Spike protein variation |
Potential effects |
SARS-CoV-2 variant |
||||||
---|---|---|---|---|---|---|---|---|---|
B.1.1.7 Alpha† |
B.1.525 |
B.1.351 Beta† |
P.1 Gamma† |
P.2 |
P.3 |
B.1.617.2 Delta† |
|||
1 |
del HV69/70 | Immune escape and enhanced viral infectivity (4) | x | x | |||||
E484K | Antibody resistance (4) | x | x | x | x | x | |||
N501Y |
Increased transmission (4) |
x |
x |
x |
x |
||||
2 |
V1176F |
Higher mortality rates‡ |
x |
x |
|||||
3 |
L452R |
Antibody resistance (4) |
x |
||||||
4 | K417T | No data | x | ||||||
K417N | Immune escape (5) | x | |||||||
P681H | No data | x | |||||||
P681R | No data | x |
*SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; SNP single-nucleotide polymorphism. †Variants of concern according to the World Health Organization. ‡G. Hahn et al., unpub. data, https://www.biorxiv.org/content/10.1101/2020.11.17.386714v2.
References
- Warmbrod KL, West R, Frieman M, George D, Martin E, Rivers C. Staying ahead of the variants: policy recommendations to identify and manage current and future variants of concern. Baltimore (MD): Johns Hopkins Center for Health Security; 2021 Feb 16 [cited 2021 May 28]. https://www.centerforhealthsecurity.org/our-work/publications/staying-ahead-of-the-variants
- Jo WK, Drosten C, Drexler JF. The evolutionary dynamics of endemic human coronaviruses. Virus Evol. 2021;7:veab020.
- Sander AL, Yadouleton A, Moreira-Soto A, Tchibozo C, Hounkanrin G, Badou Y, et al. An observational laboratory-based assessment of SARS-CoV-2 molecular diagnostics in Benin, Western Africa. MSphere. 2021;6:e00979–20. DOIPubMedGoogle Scholar
- Harvey WT, Carabelli AM, Jackson B, Gupta RK, Thomson EC, Harrison EM, et al.; COVID-19 Genomics UK (COG-UK) Consortium. SARS-CoV-2 variants, spike mutations and immune escape. Nat Rev Microbiol. 2021;19:409–24. DOIPubMedGoogle Scholar
- Zhou D, Dejnirattisai W, Supasa P, Liu C, Mentzer AJ, Ginn HM, et al. Evidence of escape of SARS-CoV-2 variant B.1.351 from natural and vaccine-induced sera. Cell. 2021;184:2348–2361.e6. DOIPubMedGoogle Scholar
- Sanyang B, Kanteh A, Usuf E, Nadjm B, Jarju S, Bah A, et al. COVID-19 reinfections in The Gambia by phylogenetically distinct SARS-CoV-2 variants-first two confirmed events in west Africa. Lancet Glob Health. 2021;9:e905–7. DOIPubMedGoogle Scholar
- Yadouleton A, Sander AL, Moreira-Soto A, Tchibozo C, Hounkanrin G, Badou Y, et al. Limited specificity of serologic tests for SARS-CoV-2 antibody detection, Benin, Western Africa. Emerg Infect Dis. 2021;27:2020. DOIPubMedGoogle Scholar
- Liu J, Liu Y, Xia H, Zou J, Weaver SC, Swanson KA, et al. BNT162b2-elicited neutralization of B.1.617 and other SARS-CoV-2 variants. Nature. 2021;596:273–5. DOIPubMedGoogle Scholar
- Kollmann TR. Variation between populations in the innate immune response to vaccine adjuvants. Front Immunol. 2013;4:81. DOIPubMedGoogle Scholar
- Polack FP, Thomas SJ, Kitchin N, Absalon J, Gurtman A, Lockhart S, et al.; C4591001 Clinical Trial Group. Safety and Efficacy of the BNT162b2 mRNA Covid-19 Vaccine. N Engl J Med. 2020;383:2603–15. DOIPubMedGoogle Scholar
1These first authors contributed equally to this article.
Page created: August 09, 2021
Page updated: October 19, 2021
Page reviewed: October 19, 2021
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.