TY - RPRT TI - Approximating instantaneous vaccine efficacy from cumulative vaccine efficacy AU - van Zandvoort, K. AU - Clark, A. AU - Jit, M. AU - Flasche, S. PY - 2018 DO - 10.1101/481804 UR - https://www.biorxiv.org/content/10.1101/481804v1 ID - 10.1101/481804 ER -