Table 1.
Less well-described mutations detected in the S protein of the Delta variant in Uppsala County during 2021. The listed mutations were detected over several weeks. From all the Delta sequences analysed, the listed mutations had a relative abundance of above 20% for at least one week in 2021
| S protein amino acid substitution | Number of times detected | Number of sequences in GISAID carrying the mutation1 | Publications quoting the mutation in PubMed Central (mutation cited in the abstract)2 |
|---|---|---|---|
| A262S | 50 | 26,810 | 33 (1) |
| Q675K | 32 | 1,785 | 4 (0) |
| I850L | 66 | 38,719 | 0 (0) |
| Q1201H | 19 | 921 | 0 (0) |
| V1228L | 20 | 15,993 | 8 (0) |
| M1237I | 15 | 14,664 | 11 (0) |
1 = A search was conducted in the GISAID database for all sequences containing the corresponding substitution (https://www.epicov.org/, accessed on the 7th of April 2022). 2 = A search was conducted in the PubMed Central database for articles from 2019 until today, containing the keywords “SARS-CoV-2” and the corresponding mutation. Next, the search was repeated but the keywords had to be present in the abstract to yield a result (https://www.ncbi.nlm.nih.gov/pmc/, accessed on the 7th of April 2022)