An epidemiologist and professor at the University of Stanford said Friday that Dr. Anthony Fauci’s credibility “is entirely shot” after revelations from his emails show a reversal on the subject of mask wearing to prevent COVID-19.

An epidemiologist and professor at the University of Stanford said Friday that Dr. Anthony Fauci’s credibility “is entirely shot” after revelations from his emails show a reversal on the subject of mask wearing to prevent COVID-19.