Pfizer is saying that their early data shows its COVID-19 vaccine is 90% effective. Infectious disease expert Dr. William Haseltine joins Stephanie Ruhle to discuss his reaction to this news and what he thinks American citizens still need to do to fight the virus. Aired on 11/09/2020.
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Dr. William: Virus Is ‘Very Serious’ Despite Successful Pfizer Vaccine Trial | Stephanie Ruhle