Fauci says 'prudent' to have Omicron vaccine, but may not be needed
Pfizer/BioNTech said they have started clinical trials for a version of their vaccine targeting the highly-transmissible variant.
TOP INFECTIOUS disease expert Dr. Anthony Fauci responds to accusations by Sen. Rand Paul during testimony before the US Senate Health, Education, Labor, and Pensions Committee on Capitol Hill in Washington earlier this month.(photo credit: J. SCOTT APPLEWHITE/REUTERS)