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Time between Pfizer and Moderna Covid-19 vaccines can be up to 8 weeks for some people: updated CDC guidance
![Time between Pfizer and Moderna Covid-19 vaccines can be up to 8 weeks for some people: updated CDC guidance](http://d34t42wpe6kclg.cloudfront.net/co/live/publication/4/1/5/415/pictures/time-between-pfizer-and-moderna-covid-19-vaccines-can-be-up-to-8-weeks-for-some-people-updated-cdc-guidance-head-media-IMS_720x0_RKAR_IME.jpg)
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