The only point with the US dollar is it shrinks in value when you print phony money, but it's also rated against other currencies which may lose value at the same time as well.
The first sign of covid was in December of 2019. From there it spread like wildfire. Yet during that time, our inflation remained in the 1% to 2% range all the way to the end of the Trump presidency. It doesn't take a year for ramifications of anything to appear. One of the first things Dementia did was increase the price of gasoline by proving to investors he meant what he said during his campaign. He's not only talking the talk, he's walking the walk.
After he started to take his initiatives to cut our gasoline and fuel supplies, he signed legislation that paid people more to stay home than work thus the labor shortage. When employers have to compete with government to attract workers, that cost gets passed down to the consumer. Labor is the largest expenditure of most businesses.
The definition of inflation is having to pay more money for the same products or services than you did before, and that's exactly what started to happened under Dementia. His first two months he experienced the normal range of inflation. In March of 21, inflation went above normal range and has been rising ever since, and it had nothing to do with Trump who has been out of office now for 20 months.