Vice President Pence's Press Secretary Tests Positive For Coronavirus

The transcript discusses a COVID-19 positive case involving a young woman named Katie, who is asymptomatic. Her diagnosis was confirmed shortly after President Trump announced it. Although she had not been in contact with the President, she had spent time with Vice President Pence, causing a delay in his flight to Iowa. Contact tracing identified six individuals who were removed from the flight and tested negative. Katie's husband, Stephen Miller, is a top aide to President Trump. The administration conducts regular testing, especially in the West Wing, to ensure safety.

What was the status of the people who got off the plane after the diagnosis was confirmed?

What is known about the testing frequency of staff in The West Wing?