.KS British drugmaker GSK GSK.L said on Tuesday its antibody-based COVID-19 therapy with U.S. partner Vir Biotechnology is effective against all mutations of Omicron. By Alun John HONG KONG, Dec 8 (Reuters) - Asian shares hit a near two-week top on Wednesday, extending a global relief rally as investors cheered signs the Omicron variant of the coronavirus may be less disruptive to the world economy than first feared. Markets are also focused on U.S. inflation data due Friday, with a high print likely to point policymakers towards accelerating the tapering of the Federal Reserve's massive bond buying programme.