Welcome to The Hill's Campaign Report, your daily rundown on all the latest news in the 2020 presidential, Senate and House races. Did someone forward this to you? Click here to subscribe.

We're Julia Manchester, Max Greenwood and Jonathan Easley. Here's what we're watching today on the campaign trail.

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LEADING THE DAY:

Campaigns at every level are dealing with the new reality of coronavirus as the outbreak spreads across the United States. Campaign staff for 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, 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.) have all been told to work from home amid concerns over the virus. Biden's campaign is set to hold a virtual Illinois town hall, while Trump and the Republican National Committee will also shift to virtual campaign events. Both Biden and Sanders delivered speeches on Thursday to address nationwide concerns over the coronavirus.

The pandemic is also affecting congressional races as well. Rep. Joe Kennedy Joseph (Joe) Patrick KennedyMassachusetts town clerk resigns after delays to primary vote count Bogeymen of the far left deserve a place in any Biden administration Hillicon Valley: Election officials prepare for new Russian interference battle | 'Markeyverse' of online fans helps take down a Kennedy | GOP senators unveil bill to update tech liability protections MORE III's (D-Mass.) campaign for Senate announced on Friday that it is suspending all activities, excluding digital events and forums on the coronavirus, for at least a week. It's unclear whether his debate against Sen. Ed Markey Edward (Ed) John MarkeyDemocratic senator calls for eliminating filibuster, expanding Supreme Court if GOP fills vacancy McConnell says Trump nominee to replace Ginsburg will get Senate vote Massachusetts town clerk resigns after delays to primary vote count MORE (D-Mass.) will go on as planned next week.

Meanwhile, Maine candidate Sara Gideon, who is running for the Democratic nomination to challenge Sen. Susan Collins Susan Margaret CollinsSenate Republicans face tough decision on replacing Ginsburg Democratic senator calls for eliminating filibuster, expanding Supreme Court if GOP fills vacancy What Senate Republicans have said about election-year Supreme Court vacancies MORE (R-Maine), announced her campaign was postponing all events for the foreseeable future. Sen. Mark Warner Mark Robert WarnerIntelligence chief says Congress will get some in-person election security briefings Overnight Defense: Trump hosts Israel, UAE, Bahrain for historic signing l Air Force reveals it secretly built and flew new fighter jet l Coronavirus creates delay in Pentagon research for alternative to 'forever chemicals' House approves bill to secure internet-connected federal devices against cyber threats MORE (D-Va.) delayed his reelection announcement tour, saying he will work instead on the response to the outbreak.

The new reality is forcing campaigns to change their roadmaps and adapt, at least temporarily, to a digital space. With retail campaigning and in-person fundraisers off the table for the near future, candidates will have to develop new ways to connect with voters.

We don't know yet how Biden's virtual campaign events will turn out, but we know that his speech addressing the coronavirus outbreak on Thursday was widely received, in addition to his plan. The former vice president was praised for his tempered and organized response to the crisis, which could earn him points with voters ahead of the next slate of primaries in Florida, Ohio, Arizona and Illinois on March 17.

Sanders and Trump, on the other hand, will have to contend with not holding their signature rallies, which have proved to be the bread and butter of their campaigns. The massive gatherings have given both of them the chance to show off their support to the media and attendees.

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Despite early voting happening in all four states, next week's primaries will give us a clearer picture of how the coronavirus is affecting the race. We'll be watching for Election Day turnout, what the candidates are up to that day, and how they will address the results after the polls have closed.

--Julia Manchester

READ MORE:

President Trump's actions over the next few weeks to contain the coronavirus and stabilize the economy may determine whether voters give him a second term in office, reports The Hill's Jonathan Easley.

States voting in next week's primaries are scrambling to prepare for the contests as coronavirus spreads across the U.S., Julia writes.

Louisiana will postpone its Democratic primary due to coronavirus, The Hill's J. Edward Moreno reports.

Sanders on Friday called on the federal government to "massively" expand the availability of tests for the coronavirus, The Hill's Tal Axelrod reports.

PERSPECTIVES:

Ben Mathis-Lilley: Biden cures Democrats of their belief in a savior president

Eric Lach: Most people never saw the best of the Sanders campaign

A.B. Stoddard: Biden a threat to the GOP's Senate majority

FROM CONGRESS AND THE STATES:

Former Rep. Darrell Issa Darrell Edward IssaDCCC reserves new ad buys in competitive districts, adds new members to 'Red to Blue' program Wife of former Rep. Duncan Hunter sentenced to 8 months of home confinement Harris endorses Democrat in tight California House race MORE (R-Calif.) succeeded in his attempt at a congressional comeback after advancing in California's all-party primary to fill the vacancy left by disgraced ex-GOP Rep. Duncan Hunter Duncan HunterDCCC reserves new ad buys in competitive districts, adds new members to 'Red to Blue' program Wife of former Rep. Duncan Hunter sentenced to 8 months of home confinement Harris endorses Democrat in tight California House race MORE.

MONEY WATCH:

The Committee to Protect Medicare PAC is launching a $1 million ad campaign accusing Trump of seeking to undermine Medicare and protection for those with pre-existing conditions under the Affordable Care Act. The ads will run nationwide on CNN beginning Sunday during the Democratic debate and will also run digitally in the battleground states of Michigan and Wisconsin. The nationwide ad can be seen here, and the state ads are here.

Brady PAC, the sister organization of the nation's oldest anti-gun violence advocacy group, endorsed Biden on Friday and will spend $4 million on his behalf this year, reports The Hill's Alex Gangitano.

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POLL WATCH:

EMERSON – FLORIDA PRIMARY

Biden: 65 percent

Sanders: 27 percent

Gabbard: 2 percent

EMERSON – ILLINOIS PRIMARY

Biden: 57 percent

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Sanders: 36 percent

Gabbard: 2 percent

EMERSON – OHIO PRIMARY

Biden: 57 percent

Sanders: 35 percent

Gabbard: 1 percent

UNIVISION/ARIZONA STATE UNIVERSITY – ARIZONA PRIMARY

Biden: 51 percent

Sanders: 34 percent

Gabbard: 1 percent



OH PREDICTIVE INSIGHTS POLL -- ARIZONA:

Biden: 49 percent

Trump: 43 percent

Trump: 45 percent

Sanders: 38 percent

MARK YOUR CALENDARS:

March 15:

-Eleventh Democratic presidential primary debate



March 17:

-Arizona Democratic primary

-Florida primaries

-Illinois primaries

-Ohio primaries



March 24:

-Georgia primaries



March 29:

Puerto Rico Democratic primary



ONE FUN THING:

Campaign staffers, journalists, strategists and other workers across the country have been asked to work from home as coronavirus continues to spread across the U.S.

Americans working from home, in turn, have flocked to their local grocery stores to stock up on food to hunker down. Snack food brands, in particular, are some of the most popular choices.

"We are benefiting likely in the short-term due to traffic," Hostess Brands CEO Andy Callahan told Yahoo Finance.

The moves have led to lots of chatter online about how folks are stocking up as a precaution.

I can have a little of my coronavirus emergency snacks as a treat — DJ_microsoftsurface (@Nishthug) March 5, 2020

QUARANTINE DIARY



Day 1: I have stocked up on enough non-perishable food and supplies to last me for months, maybe years, so that I can remain in isolation for as long as it takes to see out this pandemic



Day 1 + 45 minutes: I am in the supermarket because I wanted a Twix — Sir Michael (@Michael1979) March 12, 2020

I even stocked up.

I came armed and ready for the work from home stress eating game pic.twitter.com/8fY2wAticc — Julia Manchester (@JuliaManch) March 13, 2020

But it's not easy for everyone affected by the virus to get food supplies. That's why youth volunteers in South Korea packed up boxes of food for others who were self-quarantined in that country.

HELPING HAND: Youth volunteers packed boxes of food for South Koreans in self-quarantine during the coronavirus outbreak. For the first time since the outbreak started, the country has reported more recoveries than infections. https://t.co/ZVnY0RP6vC pic.twitter.com/887kwHisOQ — ABC News (@ABC) March 13, 2020

It's great to see a helping hands in a time of crisis and uncertainty.

We'll see you next week with a recap of Sunday's Democratic debate and the latest campaign news.