While he ended his own presidential campaign on Jan. 13, he promised to do “everything in my power to elect the eventual Democratic nominee for president.\"

\"PHOTO:
Jim Watson/AFP via Getty Images
PHOTO: Democratic presidential hopefuls Bernie Sanders and Joe Biden participate in the tenth Democratic primary debate at the Gaillard Center in Charleston, South Carolina, Feb. 25, 2020.
>

Prior to Booker's announcement, Biden netted the endorsement of several former candidates, including: former South Bend, Indiana Mayor Pete Buttigieg, Minnesota Sen. Amy Klobuchar, former Texas Rep. Beto O'Rourke, billionaire Mike Bloomberg, California Sen. Kamala Harris, Ohio Rep. Tim Ryan and former Maryland Rep. John Delaney; while his rival Vermont Sen. Bernie Sanders has been endorsed by political activist Marianne Williamson and New York City Mayor Bill de Blasio.

Sanders and Biden face their second round of major voting on Tuesday, where 352 Democratic delegates are up for grabs across six states.

And as the race to the White House turns a pivotal corner amid coronavirus fears, the candidates still appear to be proceeding full speed ahead with their campaigns.

Booker told \"The View\" that the novel coronavirus has been a “challenge” for everyone, and he respects Biden and Sanders’ efforts during campaign events.

“One thing that I noticed right away that Joe Biden’s campaign has done is they didn’t do any rope lines yesterday,” Booker said of Biden’s campaign event in Flint, Michigan. “The people around Joe Biden are really doing very respectful conscientious things that we all should be doing when it comes to common sense -- social distancing if possible and not taking risks that are unnecessary.”

Every episode of ABC's award-winning talk show \"The View\" is now available as a podcast! Listen and subscribe for free on Apple Podcasts, Google Podcasts, TuneIn, Spotify, Stitcher or the ABC News app.

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