Former Vice President Joe Biden Joe BidenSenate Republicans face tough decision on replacing Ginsburg What Senate Republicans have said about election-year Supreme Court vacancies Biden says Ginsburg successor should be picked by candidate who wins on Nov. 3 MORE and Sen. Bernie Sanders Bernie SandersKenosha will be a good bellwether in 2020 Biden's fiscal program: What is the likely market impact? McConnell accuses Democrats of sowing division by 'downplaying progress' on election security MORE (I-Vt.) discussed the precautions they were taking to protect themselves from the coronavirus during Sunday night's Democratic debate.

"I am taking all precautions people of all ages take," Biden said. "I wash my hands God knows how many times a day with hot water and soap."

The former vice president said he does not shake hands anymore and has avoided touching his face.

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Sanders also outlined the precautions he was taking on the campaign trail as the virus continues to spread across the country.

"I’m not shaking hands," Sanders said. "I’m using a lot of soap and hand sanitizers to make sure I do not get the infection."

Biden, 77, and Sanders, 78, are both considered to be at high risk for the virus given their ages. President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE, 73, is also considered more susceptible to the virus.

The White House physician said Saturday that Trump tested negative for the virus after being in proximity to several people who later tested positive for the disease and interacting with others who have self-quarantined.

Biden and Sanders have made major changes to their campaigns, scrapping rallies and retail politicking, and have instead turned to virtual events and digital forums. Campaign staffs for both candidates are also working from home.

The lack of public events could deal a blow to Sanders, whose rallies have become famous for their massive turnout.

Sanders livestreamed a fireside chat Saturday evening, while Biden hosted a virtual town hall on Friday.