Kushner, who joined the administration’s coronavirus efforts last week, is primarily focused on attempting to set up drive-through testing sites with the help of technology and retail executives, as well as experts in health-care delivery. The goal, officials familiar with the work said, is to have limited testing in a handful of cities running by Friday and to expand the project from there.

But Kushner’s team is causing confusion among many officials involved in the response, who say they are unsure who is in charge given Kushner’s dual role as senior adviser and Trump family member. Some have privately dubbed his team a “shadow task force” whose requests they interpret as orders they must balance with regular response efforts…

Two senior officials said some government officials have become increasingly confused as they have received emails from private industry employees on Kushner’s team and have been on conference calls with them, unsure what their exact role is in the government response. Several people involved in the response said the involvement of outside advisers — who are emailing large groups of government employees from private email addresses — also raises legitimate security concerns about whether these advisers are following proper government protocols.