Pfizer CEO says third Covid vaccine dose likely needed within 12 months https://t.co/LwH3kc1Lku via [Twitter](https://twitter.com/SJenkins/status/1382839700977762304)
Pfizer CEO says third Covid vaccine dose likely needed within 12 months https://t.co/LwH3kc1Lku
— Steve Jenkins (@SJenkins) April 15, 2021
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