For the first time, a virulent strain of bird flu has been detected in U.S. dairy cows. Fragments of the virus have also been found in commercial milk. Today, health reporter Lena Sun shares the latest on the outbreak and why the risk to humans remains low.

Elahe Izadi chats with Aaron Blake, author of the Post newsletter The Campaign Moment, and national politics reporter Colby Itkowitz. They delve into the most important political moments of this past week. Listen for these conversations most Fridays during the 2024 campaign.