"This season has exposed a frustrating reality of where we're at with influenza vaccination – while the 2025/2026 shot targets the H3N2 strain, which was expected to dominate winter, the virus underwent antigenic drift after design of the vaccine was finalized last year."
"This season has exposed a frustrating reality of where we're at with influenza vaccination – while the 2025/2026 shot targets the H3N2 strain, which was expected to dominate winter, the virus underwent antigenic drift after design of the vaccine was finalized last year."