CNN chief medical correspondent Sanjay Gupta, MD, offers an accessible, data-packed answer to our biggest questions about Covid-19: What have we learned about this pandemic and how can we prepare for—or prevent—the next one?
CNN chief medical correspondent Sanjay Gupta, MD, offers an accessible, data-packed answer to our biggest questions about Covid-19: What have we learned about this pandemic and how can we prepare for—or prevent—the next one?
![Jag sjunger [Blu-ray]](https://cdn.cdon.com/media-dynamic/images/product/cloud/store/FilmTelevisionDVDs/000/105/300/033/105300033-198917666-11453-org.jpg?cache=133139458386991597)
