President, who has already cancelled Keystone XL pipeline, will address nation on the environment

• Biden vows to vaccinate 300m by end of summer or early fall
• 45 Republican senators vote to dismiss Trump impeachment
• Executive orders signed in effort to advance US racial equity
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3.09pm GMT

While we’re waiting for a Covid-19 briefing, it’s worth remembering just how many people have gone through a year of pandemic without health insurance: likely at least 28.9 million.

The number of people who lacked health insurance rose through the Trump presidency, and grew by experts millions were added to the ranks of uninsured as the pandemic drove unprecedented job losses. A plurality of Americans rely on private health insurance through an employer.

WASHINGTON (AP) Fulfilling a campaign promise, President Joe Biden plans to reopen the HealthCare.gov insurance markets for a special sign-up opportunity geared to people needing coverage in the coronavirus pandemic.

Biden is expected to sign an executive order Thursday, said two people familiar with the plan, whose details were still being finalized. They spoke on the condition of anonymity because they were not authorized to discuss the pending order ahead of a formal announcement.

2.38pm GMT

Hello – this is Jessica Glenza taking over from Martin Belam. Among the most high profile events happening in Washington DC today is the first Covid-19 briefing, which the Biden administration promised will be a regular feature of his administration.

At 11am ET, we’re expecting Biden’s first Covid-19 briefing. Here’s a closer look at what is expected:

(AP) - For nearly a year it was the Trump show. Now President Joe Biden is calling up the nation’s top scientists and public health experts to regularly brief the American public about the pandemic that has claimed more than 425,000 US lives.

Beginning Wednesday, administration experts will host briefings three times a week on the state of the outbreak, efforts to control it and the race to deliver vaccines and therapeutics to end it.