Michelle ObamaMichelle LeVaughn Robinson ObamaJill Biden remembers her father, celebrates President Biden on Father's Day Michelle Obama shares Father's Day tribute: 'Our daughters couldn't have asked for a better role model' Jill Biden, Kate Middleton to meet this week MORE says she and former President Obama have a rule about in-person get-togethers amid the coronavirus pandemic: no vaccine, no visit.

"You wanna hang out with us? Get your vaccine," Michelle Obama told Gayle KingGayle KingFauci to Chelsea Clinton: The 'phenomenal amount of hostility' I face is 'astounding' Caitlyn Jenner: My family not 'involved whatsoever' in gubernatorial bid 'CBS This Morning' moving to new Times Square studio MORE in an interview that aired Monday on "CBS This Morning."

"Get all of it. Finish it up. And then we can talk. So I urge everybody out there within the sound of our voices, please, please get the vaccine. It's time," the former first lady added.

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When King noted that many Americans are "scared" or simply refuse to get the COVID-19 vaccine, Obama urged them to consider the research.

"All I can say is that I have tried to live a life where I don't lie to people," Obama, who received her shot in March, said. "And the science behind a vaccine is the same science that's behind aspirin and insulin."

The former first family has been vocal proponents of getting vaccinated. The ex-commander in chief made an appeal to young Americans in a TikTok video last month to "get the vaccine as soon as you can." The couple also appeared in a PSA in March alongside other former presidents and first ladies stressing the importance of vaccinations against the coronavirus.

Michelle Obama, 57, also touched on some lighter topics during the wide-ranging CBS interview, defending her pandemic hobby of knitting.

When King told Obama she was surprised that she took up the yarn-filled activity because it sounded "very old lady," the "Becoming" author shot back with a grin.

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"You know, it's sort of me," Obama said. "Because I like creating something out of nothing. It's not old lady — I don't want you to come for my knitting community, Gayle."

Obama acknowledged, however, that her spouse has yet to sport the crew neck sweater she knitted him.

"He will. It was finished when it got a little warmer. So it's ready for him," Obama said of her creation. She added that she also crafted halter tops for her daughters, Sasha and Malia.

"So the point being is that there's time to do it all. There's still plenty of time to continue to work on issues that matter, without sort of being in the middle of it," she told King.

"And let me tell you, it helps to have our President Joe Biden in office," Obama continued, before taking a dig at the 46th president's predecessor, former President TrumpDonald TrumpMaria Bartiromo defends reporting: 'Keep trashing me, I'll keep telling the truth' The Memo: The center strikes back Republicans eye Nashville crack-up to gain House seat MORE, without naming him.

"Because, you know, when you have a responsible, mature president in office, it makes it even easier for us to move on to the next phases of the work that we do," Obama said. "Because we're not sitting and worrying every day about what's gonna happen next, but there's still plenty of time to do some good."