Trump backtracked on the idea, saying on Twitter that "a quarantine will not be necessary".
Trump and his fellow Republicans have for weeks branded as illegitimate the work of committees probing Trump's overtures to Ukraine, arguing the full Democratic-led House of Representatives had failed to authorize their investigations in a public vote.
Trump said Deputy Defense Secretary Patrick Shanahan would take over on an acting basis from Jan 1. Shanahan worked for more than three decades at Boeing Co and was a senior vice president before he became Pentagon deputy in July 2017.
Trump named Marshall Billingslea as special envoy for arms control last month. The position of undersecretary of state for arms control and international security had been vacant for more than six months.
Treasury bond issuance stood at 402.2 billion yuan, while local government bond issuance was 45.79 billion yuan, according to the People's Bank of China.
Trump isn't the first world leader to be infected. Prime Minister Boris Johnson of Britain and President Jair Bolsonaro of Brazil both tested positive. Johnson ended up in an intensive-care unit where, he said later, "things could have gone either way".
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Trump and Juncker agreed on July 25 in Washington to work toward the elimination of tariffs and non-tariff barriers on industrial goods traded between the EU and the US, but according to the US Secretary of Commerce, the deal depends on continued progress.
Trump has been advocating a border wall but Congress has repeatedly refused to approve funding for it, slammed by Democrats as costly and ineffective.
Trump, under attack for his handling of the pandemic, insisted that the rise in cases is a result of expanded testing, a claim the White House's own public health experts have rejected.
Trump would have to nominate Esper before July 30, because the act says a position can have an acting official for only 210 days, according to local media reports, noting that Mattis resigned effective Jan 1 this year.