hemagglutinin inhibition (HI) assay_CDC_unsplashed_cdc-IzMWbbcNEqY-unsplash.jpg hemagglutinin inhibition (HI) assay_CDC_unsplashed_cdc-IzMWbbcNEqY-unsplash.jpg image/jpeg Type image/jpeg Dimension Dimension 5120x2880 Size File size 1.4 MB Download View full-size image