One way would be to have a monthly payment similar to Trump's $1200 [stimulus check] every month. The government can later recoup that through more equitable tax policies on the ultra wealthy and massive corporations.

This has been proposed by legitimate legislators. https://twitter.com/SenSanders/status/1270000771132731397

As for your claim to a lack of a second wave, I'll have to defer to the experts on that. I'm looking at a historical case for a worse case scenario which I think is prudent to consider.