Production on the series originally paused on June 2, when the studio was made aware that a crew member had tested positive for giardia. (According to The Wrap, as many as 40 crew members were ultimately affected by the parasite, leaving people "collapsing" on set due to "awful explosive diarrhea" and "being forced to run into port-o-potties." ) Working with L.A. and Ventura County Health Departments, NBCUniversal employed a third-party environmental lab to run tests on the location's water source and determined that it was negative for giardia. However, additional testing conducted on June 10 turned up positive tests in...