WASHINGTON (AP) — The Democratic National Committee is moving Sunday's presidential debate from Arizona to Washington because of concerns about the coronavirus.

The party had already announced that the debate between Joe Biden and Bernie Sanders would be held without a live audience. Now the location is changing over concerns about cross-country travel.

In addition, Univision anchor Jorge Ramos no longer will moderate the debate because he was in proximity to a person who was in direct contact with another individual who tested positive for the virus. The DNC says Ramos is not symptomatic.

The debate will be the first one-on-one contest between Biden and Sanders.

The coronavirus has already disrupted other aspects of the presidential campaign, with the Democratic contenders and President Donald Trump canceling rallies on the advice of public health officials who have cautioned against people attending large events.

For most people, the new coronavirus causes only mild or moderate symptoms, such as fever and cough. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia. The vast majority of people recover from the new virus.

Sanders is 78, while Biden is 77. The president is 73.

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