Frequent antiviral treatment failure in hepatitis C subtype 4r

From the French National Reference Center, 537 patients who
failed directly acting antiviral treatment (DAA) were identified
from 2015 – 2018. 121 (22.5 %) were infected with genotype 4
and 27 (22.3 %) of patients with genotype 4 were infected with
subtype 4r.

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