This might be the most normal holiday season in recent years, except for the "tripledemic." That collision of COVID-19, the flu and RSV — a troubling respiratory virus affecting young children — is worrying health experts. UCSF's Dr. Peter Chin-Hong joins Cecilia Lei to discuss what makes this season challenging and how to stay safe, as well as his reflections on nearly three years of the coronavirus pandemic. | Unlimited Chronicle access: sfchronicle.com/pod

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