Physician declines to answer Senate questions as Republicans like Rand Paul accuse him of covering up COVID's origins.

Dr. Anthony Fauci appeared before a Senate committee Wednesday morning, days after Sen. Rand Paul, R-Ky., released more than 1,000 pages of his diaries.

Dr. Anthony Fauci appeared before a Senate committee Wednesday morning, days after Sen. Rand Paul, R-Ky., released more than 1,000 pages of his diaries.