"The overwhelmingly bipartisan vote in Ambassador Burns' favour is a testament to the nominee's unquestioned qualifications for the role, long experience in matters of national security and laudable commitment to public service," committe chair Mark Warner said on Tuesday.

Warner said he hoped the full Senate now "will move to confirm Ambassador Burns without unnecessary delay".

At a confirmation hearing last month, Burns said he saw competition with China - and countering its "adversarial, predatory" leadership - as a key to national security.

Under questioning, Burns said if he were a college or university president, he would recommend shutting down Confucius Institutes - Beijing-funded campus cultural centres many in Congress see as propaganda tools.

Burns said other "familiar" persistent threats facing the United States include those presented by Russia, North Korea and Iran.

He also said climate change, global health issues and cyber threats pose serious risks.

Among the Russia-related issues Burns and other intelligence chiefs are expected to deal with early in the Biden administration are an investigation into recent hacking attacks of US government and private and local government data networks.

A US official said Biden's Director of National Intelligence, Avril Haines, confirmed by the Senate in January, will lead a broad review of intelligence issues facing agencies.

They included what role Russia's leadership played in the SolarWinds hack of US targets and in approving payment of alleged Russian bounties to Taliban fighters who kill American and allied forces in Afghanistan.

Australian Associated Press