Rubio Slams Fauci for ‘Distorting the Level of Vaccination Needed for Herd Immunity'
Dr. Anthony Fauci, the top infectious diseases expert in the US, announced earlier that herd immunity to COVID-19 may require up to 90 percent of the US population becoming resistant to the disease. This index has been slowly rising throughout the year, as scientists study SARS-CoV-2, the virus that causes COVID-19.