Heavily mutated coronavirus variant puts scientists on alert.

@article{Callaway2021HeavilyMC,
  title={Heavily mutated coronavirus variant puts scientists on alert.},
  author={Ewen Callaway},
  journal={Nature},
  year={2021}
}
Healthcare Workers’ SARS-CoV-2 Omicron Variant Uncertainty-Related Stress, Resilience, and Coping Strategies during the First Week of the World Health Organization’s Alert
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Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is continuing to evolve, emerging novel variants with spike protein mutations. Although most mutations emerged in the SARS-CoV-2 genome
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