Jon Cohen is an award-winning journalist who has been reporting on infectious diseases for 40 years. He tells Hari Sreenivasan about the remarkable research being done now--even as many still seem determined to ignore the facts--and about his recent, revealing conversation with Dr. Anthony Fauci.

In the UK, Prime Minister Boris Johnson is in intensive care, suffering from COVID-19. To discuss what exactly this means, and Britain’s current situation, Christiane speaks with a former colleague of Boris Johnson: George Osborne, who served as First Secretary during Prime Minister David Cameron’s tenure.

As an infectious disease expert and adviser to the UK government, Sir Jeremy Farrar is uniquely qualified to discuss the state of the COVID-19 pandemic. Recently, he noted that “we have never faced something like this. Something which in less than 70 days has gone from one city in China to essentially every country on Earth.” He tells Christiane how we can combat future waves of the virus.

Tennis great Billie Jean King is contributing to the fight against coronavirus as only she can: the Billie Jean King National Tennis Center, home to the U.S. Open, is being pressed into service as a 350-bed emergency hospital. King welcomes the chance to serve the community while keeping a close watch on the impact of coronavirus on her sport.

China, the original epicenter of COVID-19, appears to be cautiously opening up from lockdown. Authorities, however, are warning that risk remainshigh. Bestselling author Parag Khanna has been studying the spread across Asia. He speaks with Hari Sreenivasan from his home in Singapore about how this pandemic will impact the world order.

Rock and Roll Hall of Famer Jon Bon Jovi is enlisting fans to help him finish his new song by sharing their experiences of the ongoing crisis. He has received thousands of submissions as he and his family continue their three-week isolation. He joins the program from New Jersey to discuss the project and how his home state is coping with the outbreak.

UK Prime Minister Boris Johnson becomes the first major world leader to be hospitalized for COVID-19. Meanwhile, in the United States, the Surgeon General warns Americans to brace for the “hardest, saddest week ahead, equivalent to Pearl Harbor or 9/11." Physician and author Siddhartha Mukherjee has been studying the progress of the virus. He joins the program to discuss the crisis.

In the early days of the virus’ spread, Iran was hit particularly hard, with more than 60,000 cases and almost 4,000 dead, according to the country’s health ministry. Nonetheless, Iran plans to ease work restrictions soon. Mohammad Nahavandian, the country's Vice President for Economic Affairs, joins the program for an exclusive interview from Tehran.

The legacies of today's leaders will be shaped by their handling of the coronavirus pandemic. But how are they stacking up against the presidents and prime ministers of yesteryear? In a candid conversation with Walter Isaacson, the Pulitzer Prize-winning historian and presidential biographer Jon Meacham dissects the performance of President Trump in this crisis.

Former Republican Governor David Beasley recently contracted COVID-19 but was fortunate enough to fully recover, and has now returned to his job as head of the World Food Programme. He joins the show to describe his own experiences with the virus, and what the WFP is doing to keep its crucial work going in this difficult time.

Some of the strategies individuals can employ to slow the spread of COVID-19 are extremely simple, starting with washing your hands as often as possible. For years, Dr. Atul Gawande has worked with hospitals to lower their infection rates by reminding doctors to do exactly this. A surgeon and "New Yorker" staff writer, Gawande joins the program to reflect on another week of tragedy and challenge.

With many of us staying home, unable to see friends and family in person, it’s a booming time for social media networks like Facebook. But the same question continues to arise: What are these networks doing about misinformation? How do you stop the spread of false and dangerous posts when it comes to a global pandemic with lives at stake? Facebook VP Sir Nick Clegg joins the program to discuss.

Nowhere is the fragility of the U.S. healthcare system more apparent than in America’s poorer communities. Regina Benjamin served as U.S. Surgeon General under President Obama and founded the BayouClinic, serving a poor fishing community in Alabama. Having worked through Hurricane Katrina in 2005, Benjamin talks to Walter about the lessons learned on what to do when disaster strikes rural America.

As the number of COVID-19 infections worldwide climbs to nearly a million, the UK Prime Minister is under fierce criticism for failing to deliver the levels of testing he had promised. To discuss this, Christiane is joined by Tim Spector, the founder of an app designed to track COVID-19 symptoms, alongside NYU infectious disease specialist Dr. Celine Gounder.

The latest figures show that 6.6 million Americans filed claims for unemployment benefits last week. That’s a surge of over 3000% since early March. The pandemic has so far knocked nearly 10 million people out of the country’s workforce. o examine these figures and what it means for the U.S. and world economies, Christiane speaks with former Treasury Secretary Lawrence Summers.

The Bill & Melinda Gates Foundation has been providing both funding and expertise since before the COVID-19 outbreak began, with Bill Gates in particular having sounded the alarm about pandemics for years. Christiane speaks with the CEO of the Foundation to discuss what needs to be done next to fight this outbreak.

Even before the COVID-19 outbreak, many college students struggled to balance school with work and the need to keep a roof over their heads and food on their plates. Now they find themselves in an impossible situation. Sara Goldrick-Rab is perhaps best known for her work combating food and housing insecurity. She tells Hari Sreenivasan what needs to be done for this vulnerable group.

Europe in particular is struggling to find a united approach to combat COVID-19, and one of the countries most in need is Greece -- the EU member nation that was hardest hit by both the 2008 economic crisis and the 2015 migrant crisis. In an exclusive interview, Christiane speaks exclusively with Greece’s Prime Minister about how his country is coping.

Grammy Award-winning musician will.i.am collaborated with Bono, Jennifer Hudson, and Japanese rock star Yoshiki on a new single, “Sing for Life,” inspired by the resilience shown by the world's citizens during this global pandemic. He speaks with Christiane about why he believes that that though we are in self-isolation, we are not alone.

In the U.S., the death toll has surged to more than 4,000, making Tuesday the deadliest day so far in the pandemic, and driving home the desperate need for a better coordinated national response. To discuss the latest, Christiane speaks with the commander of the U.S. Northern Command, Gen. Terrence O’Shaughnessy, who in the worst case scenario would lead the country through the pandemic.