LONDON (Reuters) -Oil prices pared losses after falling by over $2 earlier in the session, as a weaker dollar partially offset demand fears resulting from surging COVID-19 cases in China. The contracts pared losses as the U.S. dollar slipped, with investors on edge at the end of the year as initial optimism over China's reopening fizzled. The scale of the latest Chinese COVID outbreak and doubts over official data prompted some countries to enact new travel rules on Chinese visitors, even as the world's largest crude oil importer began dismantling the world's strictest COVID r...