The U.N. also linked Iran to a 2019 attack on Saudi Arabia's main crude oil refinery, though Tehran denies any links and Yemen's rebel Houthis claimed responsibility.
Harris also said that if there is a coronavirus vaccine available during Trump's administration that is not embraced by scientific advisers, she will not take it.
The H1B visa is a non-immigrant visa that allows US companies to employ foreign workers in “speciality occupations” that require theoretical or technical expertise.
