Oil prices eased, but were set for a sixth week of gains as progress towards novel coronavirus vaccination programmes fed hopes that demand for fuel would rebound next year.
Brent was down 18 cents, or 0.4%, at $50.07 a barrel at 1242 GMT, after rising above $51 a barrel on Thursday to an early-March high. U.S. oil was down 12 cents, or 0.3%, at $46.66 a barrel, having risen almost 3% in the previous session.
Promising vaccine trials have helped lift some gloom over record increases in the number of new coronavirus infections and deaths around the world.
Britain began inoculations this week and the United States could start vaccinations as early as the coming weekend, while Canada on Wednesday approved its first vaccine with initial shots due from next week.
Outside advisers for the U.S. Food and Drug Administration have voted to endorse emergency use of Pfizer’s vaccine, paving the way for the agency to authorise its use to inoculate a nation that has lost more than 285,000 lives to COVID-19.
A big jump in U.S. crude stockpiles last week served as a reminder that there is still plenty of supply available, but it was all but ignored as bulls ran through the market this week.