The new measures come as Russia has seen an explosion of new cases since mid-June driven by the highly infectious Delta variant first identified India.
Ed Moran, a consultant in infectious diseases at the University of Bristol and North Bristol NHS Trust, said Smith "had active virus in his body" throughout.
Brent crude rose 87 cents, or 1.2%, to $75.68 by 12:06 p.m. ET (1606 GMT). Its session high, $76.02 after the EIA data, was the highest since October 2018.