Dr Michael Jacobs Ebola press conference grab

Dr. Michael Jacobson, an infectious diseases doctor at the Royal Free Hospital, introduces himself and discusses his team's work in the high-level isolation unit. He provides an update on Pauline, a patient admitted with a hazardous infection, detailing her condition and treatment. Pauline is in a tent, able to communicate with her family, and is showing signs of improvement.

What is the purpose of the special high Level Isolation unit mentioned?

What kind of communication has Pauline had with her family?