Revised figures this week showed the economy in the 19-nation club grew by a better-than-expected 2.2 percent between April and June after countries relaxed their virus restrictions
ECB president Christine Lagarde previously promised to "look through" the surge and policymakers expect the rate to rise even further in coming months before falling back
Financial markets were volatile earlier in the week as sentiment over the global economic outlook swung with each new Delta headline, although the prevailing mood was improving by late Friday.
ECB chief on June 10 said it was "too early" to consider winding down pandemic support, even as the economic recovery gathers steam and inflation surges.
Investors this week will also focus on the Bank of England's monetary policy meeting on Thursday and the release of euro area flash PMI data on Friday.
The three main New York indexes initially fell on the announcement before rebounding, with analysts pointing out that prices rose less than expected on a monthly basis.
US stocks pushed higher despite the prospect of a stimulus slowdown and a quicker rise in interest rates, as other data showed that first-time claims for jobless benefits continued to fall last week.
As the economy rebounds and confidence improves, some policymakers are making the case for the ECB to start giving up its emergency measures and revert to more traditional forms of stimulus.
"We are committed to preserving favourable financing conditions. It's far too early and it's actually unnecessary to debate longer-term issues," Lagarde said on Friday.
"By all accounts it seems that (by) the end of June, about 70% of the population should be vaccinated at least with the first jab," Lagarde told an online event.
The euro gained 0.3% to $1.2055 while the dollar index, measured against a basket of currencies, was down 0.2% .
Real yields in the US remain deeply negative on a 10-year basis and reflect some of this uncertainty that will continue to limit the upside for the US dollar.