US Vice President Mike Pence is self-isolating away from the White House.<br />According to Reuters, the move comes after an aide was diagnosed with the novel coronavirus COVID-19.<br />Pence has repeatedly tested negative, including on Sunday.<br />President Donald Trump has also been recently exposed to COVID-19, via his valet.<br />At Mar-a-Lago, Trump sat with a member of Brazilian President Jair Bolsonaro's retinue, who also tested positive.