President Trump's daily briefings on the COVID-19 pandemic have introduced millions of Americans to Dr. Anthony Fauci, the director of the National Institute of Allergy and Infectious Diseases. At times, the specialist in infectious diseases has differed with the president during the briefings, correcting him on the seriousness of the virus or on the timeline for developing a vaccine. That's fueled speculation that Fauci's tenure might be cut short.
Dr. Paul Volberding and nurse Cliff Morrison were on the frontlines of the AIDS epidemic treating patients in the early 1980s before anyone understood what the disease was, or how it was spread. They are now featured in the new documentary '5B'.