More than 600,000 white flags have been planted at the National Mall as a tribute to America's COVID-19 victims. The death toll has now crossed that of the Spanish Flu in 1918. How did the world's most advanced nation succumb to a virus? Palki Sharma tells you.

Gravitas US Edition: India v/s US: The vaccination story

US President Joe Biden on Thursday announced sweeping new federal vaccine requirements that would affect a total of 100 million Americans. Biden sharply criticised the 80 million Americans who are still not vaccinated.

Joe Biden announces sweeping measures to vaccinate Americans

President Joe Biden on Tuesday announced a goal to vaccinate 70% of US adults with at least one COVID-19 jab by the July 4 and said the government would inoculate 12-15-year-olds as soon as allowed.

Biden aims to inoculate 70% US adults with one dose by July 4