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The video discusses the global COVID-19 death toll, which is suspected to be higher than reported due to inadequate testing. New virus strains have been identified, potentially causing spikes in cases. President-elect Joe Biden outlines his plan to improve the U.S. vaccine rollout, aiming for 100 million shots in his first 100 days. The pandemic's economic impact is highlighted by a decline in U.S. retail sales for the third consecutive month.

According to the text, how many doses have been administered so far?

What trend is observed in retail sales in the US as mentioned in the text?