Volume 25, Number 1—January 2019
Research
Association of Increased Receptor-Binding Avidity of Influenza A(H9N2) Viruses with Escape from Antibody-Based Immunity and Enhanced Zoonotic Potential
Figure 5

Figure 5. Elution of influenza A(H9N2) viruses (UDL-01/08 and SKP-827/16 A/T/V180) from Pakistan from erythrocytes. Virus elution was recorded at 1, 2, 3, 4, 5, 6, and 24 hours posttreatment with bacterial receptor-destroying enzyme. Points plotted indicate hour at which full loss of hemagglutination was achieved for each concentration of receptor-destroying enzyme. A) Canine erythrocyte elution with UDL and 827 A/T/V180; B) chicken erythrocyte elution with UDL and 827 A/T/V180; C) guinea pig erythrocyte elution with UDL and 827 A/T/V180. mgP, milligram of protein.
1Current affiliation: Imperial College London, London, UK.
2Current affiliation: Chinese Academy of Agricultural Sciences, Beijing, China.
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