your questions, as always. and dr. jen ashton, back tonight. jen, hope today for a potential new treatment? exactly, it s a drug called eidd 2801. it s a pill that blocks the coronavirus from attaching to lung cells in test tubes. it could be used to treat and prevent covid-19, and it is set to start clinical trials in humans this spring. not a moment too soon. jen, thank you. when we come back, a note about our own loss here at abc news. when we come back, a note abou r own loss here at abc news. concerts. to help our communities when they come back together, respond to the 2020 census now. spend a few minutes online today to impact the next 10 years of healthcare, infrastructure and education. go to 2020census.gov and respond today to make america s tomorrow brighter.