The event is moving ahead as scheduled. None of the staffers who tested positive for the virus or anyone who was in immediate contact with them will attend.
The NIH said that while the anti-malarial drug did not cause harm to patients in the study, testing showed little evidence that it would benefit patients hospitalized with COVID-19.
A new study found kids and teens appear far less likely than adults to actually get infected with the virus. But it is still unknown what role children play in transmission.
Tens of thousands of people are expected to be in Tulsa, Okla., for President Trump's first campaign rally in months. Health officials are concerned the gathering will further spread the coronavirus.
The approach of taking blood plasma from people who have recovered and giving it to patients still suffering from a disease has been used for centuries. Now it's being used on COVID-19 patients.
As researchers herald dexamethasone as a potential breakthrough treatment for critically ill patients, Dr. Kirsten Lyke says publicizing research that hasn't been rigorously vetted could erode trust.
As cities weather the first blasts of excessive summer heat, officials weigh the benefits of opening cooling centers and spray parks against the risks of letting people gather in public spaces.
A mother in South Africa reflects on raising children at a time of crisis — and how to teach them the value of human connection at a time of disconnectedness.
In parts of the country, more people in their 20s and 30s are testing positive for the coronavirus. Experts say this is likely due to more testing and less adherence to distancing and mask guidelines.