Viral Shedding in Hamsters after Primary Infection In the throat swab and the nasal wash samples, genomic RNA (gRNA) was detected with a decreasing trend until 12 DPI in the Delta AY.1- and the B.1-infected groups and until 14 DPI in the Delta variant-infected group.
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Protective Immunity of the Primary SARS-CoV-2 Infection Reduces Disease Severity Post Re-Infection with Delta Variants in Syrian Hamsters.
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