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Viral RNA loads in clinical samples. (a) Oral swabs, (b) nasal washes and (c) rectal swabs collected from to D2 to D14 in three ferrets and three hamsters inoculated intranasally with UCN19 SARS-CoV-2 (nasal washes were only collected in ferrets and olfactory bulbs and medulla oblongata were collected in two hamsters rather than three from D2 to D14).
