10momth back I was affected in Corona after I got some symptoms breathing difficulty wn I ask to doctor it will cure slowly and my nose one side blocked some time's other side block and recently I have nurv pain in my ear side to head and necpain I took brain test 3month back  and synus also it's normal but right side mild infection till yet I'm getting same symptoms one nose blocking mild cold and jaw side  earside and side head  pain  pls explain this