An 81 base-pair deletion in SARS-CoV-2 ORF7a identified from sentinel surveillance in Arizona (Jan-Mar 2020)

  1. LaRinda A. Holland
  2. Emily A. Kaelin
  3. Rabia Maqsood
  4. Bereket Estifanos
  5. Lily I. Wu
  6. Arvind Varsani
  7. Rolf U. Halden
  8. Brenda G. Hogue
  9. Matthew Scotch
  10. Efrem S. Lim
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Abstract

On January 26 2020, the first Coronavirus Disease 2019 (COVID-19) case was reported in Arizona of an individual with travel history (3 rd case in the US) (1). Here, we report on early SARS-CoV-2 sentinel surveillance in Tempe, Arizona (USA). Genomic characterization identified an isolate encoding a 27 amino acid in-frame deletion in accessory protein ORF7a, the ortholog of SARS-CoV immune antagonist ORF7a/X4.

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