Business Insider reports a number of Secret Service agents and staff have been ordered to self-quarantine.<br />The news comes in light of President Donald Trump's campaign rally in Tulsa, Oklahoma, on Saturday.<br />Ahead of the sparsely attended rally, two Secret Service agents tested positive for the coronavirus.<br />The two Secret Service employees did not attend the rally after their diagnoses.<br />However, they did attend a Friday meeting with other Secret Service agents and officers, who later worked the event.