CNN's Anderson Cooper pushes back against Centers for Disease Control and Prevention Director Dr. Robert Redfield when he said he believed the defect in early Covid-19 testing in the US was with the private sector.

As coronavirus cases spike nationwide, most parents are wondering whether it's safe to send their children back to school. But with most of the research and testing geared toward adults, the answer is complicated.

CNN's Anderson Cooper and Dr. Sanjay Gupta examine the lessons America learned in the wake of a sobering 3 million cases of the deadly coronavirus. CDC Director Dr. Robert Redfield addresses what these insights mean as the nation looks to reopen its schools in the fall.

As back-to-school season approaches, districts are weighing whether to let students return to the classroom or continue learning remotely. CNN's Dr. Sanjay Gupta demonstrates how schools might be able to reopen safely amid the ongoing coronavirus pandemic.

Some states have reopened too quickly, allowing the coronavirus pandemic to come roaring back, Dr. Anthony Fauci said Thursday.

Emergency room physician Dr. Leana Wen answers viewer questions about the coronavirus pandemic, and Dr. Sanjay Gupta shares advice for parents with school-aged children.

CDC Director Dr. Robert Redfield discusses with CNN's Anderson Cooper and Dr. Sanjay Gupta how the organization handled testing amid the coronavirus pandemic.

The rate of kids sports and recreation-related emergency room visits for traumatic brain injuries declined 32% from 2012 to 2018, after more than a decade of increasing rates, a new study finds.

The rate of kids sports and recreation-related emergency room visits for traumatic brain injuries declined 32% from 2012 to 2018, after more than a decade of increasing rates, a new study finds.

Some states have reopened too quickly, allowing the coronavirus pandemic to come roaring back, Dr. Anthony Fauci said Thursday.

Coronavirus is winning the battle in El Centro, California. It's in almost every patient in the hospital. Tents are being put up to handle even more cases. It's on the streets, forcing rescuers to put on protective suits and cumbersome masks before they approach people needing help. And it's not stopping. Even as nearby and faraway facilities take patients to try to ease the load, more and more sick people keep coming. And so do the deaths. The workers are exhausted. The virus is not.

When New York Governor Andrew Cuomo announced last week that malls in New York could not reopen until they installed high-efficiency particulate air filters capable of trapping the virus that causes Covid-19, Harvard environmental health researcher Joseph Gardner Allen was thrilled.