Relative effectiveness of influenza vaccines among the U.S. elderly, 2018-19.


Abstract BACKGROUND: Studies among individuals ages ≥65 years have found a moderately higher relative vaccine effectiveness (RVE) for the high-dose (HD) influenza vaccine compared to standard-dose (SD) products for most seasons. Studies during the A(H3N2)-dominated 2017-18 season showed slightly higher RVE for the cell-cultured vaccine compared to SD egg-based […]

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