Lilly and Regeneron COVID-19 antibodies are available all over the U.S. Why aren't they getting to more patients?

About a month after the FDA issued emergency authorizations for COVID-19 antibodies from Eli Lilly and Regeneron, most of them have gone unused, a federal official said Wednesday. As hospitals and healthcare officials scramble to get the treatments to more people who need them, the companies said they're also involved in efforts to make the drugs more available.