Pfizer says people will probably need a booster dose of their COVID-19 vaccine after getting the first two shots. According to the company's CEO, that booster would come within 12 months after the first round of shots.
Rachel Silverman has details.
IN:The Pfizer
OUT:SOC
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GENERIC: http://www.fsnradionews.com/feeds/0415dose-rs-generic.mp3