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. 2020 Mar 25;15:2071–2083. doi: 10.2147/IJN.S232677

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© 2020 Zhao et al.

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HAI antibodies produced by different oil phases (Tween 80=2.9%; Span 80=2.9%; PEG=5.4%; oil=2.9%; water=85.75%). Mice were immunized with 0.9 μg. Inactivated H3N2split-virus influenza vaccine was mixed with 200 μL adjuvant on days 0, 7, and 21 by intramuscular injection, and sera collected each week were tested by haemagglutination inhibition. And sera were tested by Haemagglutination inhibition. The results were shown as the arithmetic mean, n=8 per group.