President-elect Joe Biden on Tuesday announced a three-part plan to combat the coronavirus pandemic in the first 100 days of his administration.

Biden, speaking in his hometown of Wilmington, Del., as he formally unveiled his team of top health officials, emphasized “masking, vaccinations, opening schools. These are the three key goals for my first 100 days.”

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And the president-elect stressed, “I’m absolutely convinced that in 100 days we can change the course of the disease and change life in America for the better.”

Biden spelled out first the first time how he would implement his mask mandate, which he’s previously announced, for the first 100 days of his administration.

The president-elected explained that it will start with “my signing an order on day one to require masks where I can under the law, like federal buildings, interstate travel on planes, trains, and buses. I’ll also be working with the governors and mayors to do the same in their states and their cities. We’re going to require masks wherever possible.”

And Biden urged people to “help yourself, your family, your community. Whatever your politics or point of view — mask up for 100 days after we take office. A hundred days to make a difference. It’s not a political statement — it’s a patriotic act.”

Thirty-eight states currently have mask mandates. The dozen that don’t are Alaska, Arizona, Florida, Georgia, Idaho, Mississippi, Missouri, Nebraska, Oklahoma, South Carolina, South Dakota, and Tennessee.

On vaccinations, Biden vowed that his “team will help get at least 100 million COVID-19 vaccine shots into the arms of Americans in 100 days.”