evidence: Along with a video highlighting vaccinated people across the nation, Biden tweeted: "This Fourth of July, America is back. We’re headed into a summer of joy – of freedom – thanks to the millions of Americans who stepped up to get vaccinated. To the frontline and essential workers who have made this day possible: thank you." [...] On Sunday, Dr. Anthony Fauci, America’s top infectious disease expert, told NBC’s "Meet the Press" that 99.2% of current COVID-19-related deaths were people who were unvaccinated. The doctor explained several reasons for lagging vaccination rates, including "ideological" opposition and people who are "fundamentally anti-vax or anti-science."