The US dollar steadied against most of its peers on Friday, and gave up its early gains.
Countries around the world are intensifying their efforts to combat the Covid-19 pandemic with largescale vaccination campaigns.
The International Monetary Fund raised its projections for the global GDP to grow by 6% in 2021.
The IMF also estimated the US economy to grow to 6.4% in 2021 based on the Federal Reserve's forecasts.
Data showed that the US producer price index rose 1% in March, beating forecasts of a rise by 0.5%.
The dollar index rose against a basket of major currencies 0.1% to 92.1 points as of 17:53 GMT, after hitting a high of 92.4 points and a low of 92.03 points.