Daily Archives: January 17, 2021

Mapping one dose and two dose COVID vaccine efficacy for virus variants: Data to inform policy decisions

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By Daniel R. Lucey MD, MPH, FIDSA The last month saw three timelines overlap: global recognition of SARS-CoV-2 “variants”, worsening of the pandemic, and COVID-19 vaccine authorizations in many nations. As a result, policy decisions have been made regarding use of two doses of vaccine at varying intervals, and discussion of using only one dose […]