Policymakers have long grappled with how to handle experiments that might generate potentially dangerous viruses. Now, officials are considering whether oversight needs to be expanded.

People with schizophrenia are three times as likely to die from the virus, giving scientists an opportunity to study the potential relationship between the immune system and mental illness.

Faced with a glut of pandemic research from around the world, scientists are confronting their biases and learning to engage with science conducted at institutions they're unfamiliar with.