The former top US infectious disease expert invoked his Fifth Amendment right against self-incrimination on questions regarding the origins of COVID-19.

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.