Business News Sheikh Mohammed appoints new Dubai Health Authority chief Sheikh Hamdan bin Mohammed bin Rashid, Crown Prince of Dubai, took to Twitter to make the announcement. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related UAE: New rapid Covid tests approved; results in as little as 20 minutes UAE reports 3,579 Covid cases, 4,166 recoveries, 9 deaths