Summary Brent, WTI prices ease after Friday's gainsMajor China cities report record number of COVID-19 casesU.S. Fed not "softening" fight against inflation - Gov.
"USD strength appears to be weighing on oil and the broader commodities complex this afternoon," said Warren Patterson, head of commodities strategy at ING.
But COVID cases climbed in China over the weekend, with Beijing and other big cities reporting record infections on Monday.
China's demand for oil from world's top exporter, Saudi Arabia, also remained weak as several refiners have asked to lift less crude in December.
A firm dollar after comments from U.S. Federal Reserve Governor Christopher Waller also weighed on oil.