Starting April 1, all Californians 50 and older will be eligible for a shot, and anyone 16 and older will qualify on April 15. Health reporters Catherine Ho and Erin Allday talk about the big news, which doesn't mean everyone will be able to get an appointment immediately. Also, there's new concern about the P.1 variant of the coronavirus, which has been fueling a deadly surge in Brazil. | Unlimited Chronicle access: sfchronicle.com/pod

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