The genomic and clinical features of the COVID-19 Omicron variant: a narrative review

Decsa Medika Hertanto, Henry Sutanto, Maria Inge Lusida, Kuntaman Kuntaman, Djoko Santoso

Research output: Contribution to journalReview articlepeer-review

1 Citation (Scopus)


Coronavirus disease 2019 (COVID-19) is a major cause of morbidity and mortality worldwide. Since late November 2021, the Omicron variant has emerged as the primary cause of COVID-19 and caused a huge increase in the reported incidence around the world. To date, 32-34 spike mutations have been reported to be present in the Omicron variant, 15 of which were located in the receptor-binding domain that interacts with the cell surface of the host cells, while the rest were located in the N-terminal domain and around the furin cleavage site. Recent studies have suggested that those mutations could have a major role in the transmissibility and pathogenicity of the Omicron variant. Additionally, some mutations might contribute to the change of viral tropism of this novel variant. Here, we aim to discuss the recent reports on the transmissibility and severity of the Omicron variant from both the genetic and clinical perspectives. Afterward, we also take the chance to deliver our personal view on the topic.

Original languageEnglish
Article number353
Publication statusPublished - 2022


  • COVID-19
  • Omicron variant
  • SARS-CoV-2
  • emerging disease
  • genome
  • global health
  • mutation
  • pandemic
  • virus


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