Mutations in the SARS-CoV-2 spike (S) protein have resulted in the formation of variants such as Alpha, Beta, and Gamma. These small variations in the spike protein are an example of

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Antigenic drift refers to the minor changes or mutations in the virus's genes that lead to changes in its surface proteins, such as the spike protein in SARS-CoV-2. This process can result in the emergence of new virus strains over time, which may differ slightly from earlier strains.

Mutations in the SARS-CoV-2 Spike (S) Protein Have Resulted in the Formation