The email asked PepsiCo’s Chicago employees to work from home and said they will receive another update on the situation before the close of business. A security guard at the building said she had not been told whether the building would open tomorrow.

Earlier today, the owner of Prudential Plaza said that a person who works in the East Loop building had tested positive for the virus. CA Ventures, a real estate developer based in Prudential Plaza, later confirmed that the person is a CA Ventures employee.

Des Moines, Iowa-based Principal Financial Group owns 555 W. Monroe; PepsiCo is the property's only office tenant.

10 P.M. UPDATE:

PepsiCo offered this statement via email. Bottom line—the office will reopen tomorrow:

"The PepsiCo Chicago office was closed for a deep cleaning on Wednesday, March 11 due to an employee’s family member in question. We’ve confirmed that the employee in question and their family member have both consulted with doctors and show no signs of having contracted the coronavirus. The Chicago PepsiCo office will reopen at 6 a.m. tomorrow, March 12. The health and safety of our employees remains our highest priority and we will continue to act with an abundance of caution as we navigate this rapidly evolving situation."