bioRxivMicrobiology
Potential antigenic mismatch of the H3N2 component of the 2019 Southern Hemisphere influenza vaccine
Abstract
Here, we find that the egg-adapted H3N2 component of the 2019 Southern Hemisphere influenza vaccine elicits an antibody response in ferrets that is highly focused on antigenic site A of hemagglutinin. This is potentially problematic since most H3N2 viruses currently circulating in the Southern Hemisphere possess antigenic site A substitutions.
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