American senators have floated the possibility of November's presidential election being carried out purely by postal votes as the impacts of coronavirus on the campaign calendar begin to enter the spotlight.
Some have suggested that if the outbreak is still continuing later this year there could be no in-person voting at polling stations in what would be a remarkable break with historical precedent.
Other approaches have also been raised, such as electronic voting or increased use of absentee ballots so that the elderly who are most vulnerable to the virus could vote from home.
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There has even been loose talk from Democrats that United States President Donald Trump could push back the election date - despite the fact that he has made no public indication that he could do so.