U.S. lags behind Russia and China in sharing COVID-19 vaccines to struggling nations in need

While about 37% of Americans are fully vaccinated, many nations struggle to get vaccines and have turned to other world powers like China and Russia to secure doses.

President Biden on Monday announced the U.S. will send 20 million doses of federally authorized COVID-19 vaccines to other countries. That's in addition to the 60 million doses of AstraZeneca's COVID-19 vaccine the Biden administration committed to be sent to other nations by July.

America ordered enough vaccines...