Washington's big contact tracing problem

The state of play: Tracing has been done for people who had direct contact with Trump, White House spokesman Judd Deere told the Washington Post.

• Still, the Centers for Disease Control and Prevention recommends tracking the hundreds of people who were at the event.

On Capitol Hill, there's also no formalized contact tracing program in place, even as lawmakers themselves test positive.

• Two infected staffers in Rep. Doug Lamborn’s (R-Colo.) office were told to not disclose to roommates they may have been exposed, WSJ reports.

The bottom line: The White House’s refusal to contact trace is “a missed opportunity to prevent additional spread,” Emily Wroe, a co-leader of a contact-tracing team at Partners in Health, told Nature.