Posted in NEWS ‘I was disappointed’: Dr. Wen reacts to Biden’s answer on Covid-19 vaccine July 22, 2021 CNN medical analyst Dr. Leana Wen fact-checks President Joe Biden’s answer on coronavirus vaccine efficacy during a CNN town hall with Don Lemon. http://rss.cnn.com/~r/rss/cnn_topstories/~3/fwYDNeTJMAw/coronavirus-vaccine-leana-wen-biden-town-hall-vpx.cnn