Award-winning science journalist Laurie Garrett reacts to the news that Pfizer says early data shows its Covid-19 vaccine has over 90% efficacy, but she notes there are still many unanswered questions. Aired on 11/09/2020.
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Award-winning science journalist Laurie Garrett reacts to the news that Pfizer says early data shows its Covid-19 vaccine has over 90% efficacy, but she notes there are still many unanswered questions. Aired on 11/09/2020.
ยป Subscribe to MSNBC:…
