Despite significantly reduced overall pathology, however, Omicron-infected hamsters had similar numbers of SARS nucleocapsid (SARS-N)-positive cells in lung as compared with WA1/2020-infected hamsters ( Figure 3 Q) but showed a trend toward fewer Iba-1-positive cells (macrophages) and myeloperoxidase-positive cells (neutrophils) per unit area of lung ( Figures 3 R, 3S, and S1 ).
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