Fourteen other states and five EU countries are now investigating possible cases of the disease, which has primarily affected children aged 5 to 14.
Clinical studies need millions of participants, and a new online registry is trying to find them.
Kids Are Being Hospitalized in New York with Strange Heart Symptoms That Might Be Related to Coronavirus
Most tested positive for either the coronavirus or for the antibodies. But some tested negative for both.
In theory, knowing who has antibodies and who's immune would be a large step toward reopening the country; in practice, the science isn't there yet.
The tests we have now tell us who is currently sick. We need to know who has already had COVID-19 and recovered.
A recent trial finds hope for a cloned natural antibody in fighting dormant HIV.
First, we investigate antibiotic-resistant superviruses and the scientists racing to combat them. Then, we head to Indonesia, to see how our culture's love of palm oil is wreaking havoc on the Indonesian jungles and indigenous populations.
The development of highly active anti-retroviral treatment (HAART) for HIV in the '90s is widely credited with turning a certain and excruciating doom into a chronic illness. Nowadays, instead of futilely fighting off opportunistic infections as a...