Mae bron i ddwy flynedd a hanner wedi pasio ers i Sefydliad Iechyd y Byd ddatgan pandemig coronafeirws byd-eang. Er ein bod wedi symud y tu hwnt i’r ymateb argyfwng i’r pandemig yng Nghymru ac yn dechrau ymdrin â’r feirws a Covid-19 fel unrhyw salwch anadlol tymhorol arall, mae nifer fawr o bobl yn parhau i ddioddef effaith hirdymor haint Covid-19 – y cyfeirir ato’n fwy cyffredin fel Covid hir.
It is almost two-and-a-half years since the World Health Organisation declared a global coronavirus pandemic. While we have moved beyond the emergency response to the pandemic in Wales and are beginning to manage the virus and Covid-19 like other seasonal respiratory illnesses, a large number of people continue to suffer from the long-term impacts of a Covid-19 infection – known more commonly as long-Covid.