If there’s one face of scientific authority in the U.S. in the throes of COVID-19 chaos, it’s Dr. Anthony Fauci. One of the world’s top HIV/AIDS researchers, Dr. Fauci has served in his post as director for the National Institute of Allergy and Infectious Diseases since 1984, helping steer the federal response to viral diseases like SARS, MERS, Ebola — and now COVID-19.

Today at 4PM Pacific, Mark Zuckerberg is speaking live with Dr. Fauci to discuss steps that everyday people can take to help fight the spread of COVID-19. To watch the conversation, head over to Zuckerberg’s Facebook page.

Watch Live: Dr. Anthony Fauci, the US's top infectious disease expert, talks to Mark Zuckerberg about what we can do to help fight the spread of the coronavirus (COVID-19): https://t.co/CvWOuqi6NA — Facebook (@Facebook) March 19, 2020

Live with Dr. Anthony Fauci, the US’s top infectious disease expert, to learn about what we can all do to fight the spread of the coronavirus (COVID-19). Posted by Mark Zuckerberg on Thursday, March 19, 2020

The conversation is part of Facebook’s recent thrust to put COVID-19 information from established health authorities front and center on the platform in an effort to get good information into the hands of users while mitigating potentially dangerous misinformation that could worsen outcomes as the novel coronavirus spreads worldwide.