Study: Regardless of variant, half of long-COVID patients fail to improve after 18 months By iopac on October 31, 2023 The analysis included 806 patients who were infected with the wild-type strain, Alpha, Delta, or Omicron strain. Published in COVID-19 iopac More from COVID-19More posts in COVID-19 »Peer support valuable intervention for health worker stress during COVID-19, study showsGlobal survey shows COVID booster uptake in questionStudy: COVID vaccines not linked to seizuresCOVID booster linked to 25% lower odds of long COVID