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Emerg Infect Dis
; 27(9): 2499-2501, 2021 Sep.
Article
in English
| MEDLINE | ID: covidwho-1435937
ABSTRACT
We examined virus genomic evolution in an immunocompromised patient with prolonged severe acute respiratory syndrome coronavirus 2 infection. Genomic sequencing revealed genetic variation during infection: 3 intrahost mutations and possible superinfection with a second strain of the virus. Prolonged infection in immunocompromised patients may lead to emergence of new virus variants.