The COVID-19 Long Haul Foundation

Treatment, Referral & Educational Support for Illnesses & Vaccine Injury

Global Prevalence of Long COVID, Its Subtypes, and Risk Factors: An Updated Systematic Review and Meta-analysis Open Access

Yiren Hou , Tian Gu , Zhouchi Ni , et. al. Open Forum Infectious Diseases, Volume 12, Issue 9, September 2025, ofaf533,  https://doi.org/10.1093/ofid/ofaf533 Abstract Background This mega-systematic review evaluated the global prevalence of long COVID and […]

Postacute Sequelae of SARS-CoV-2 Infection in the Pre-Delta, Delta, and Omicron Eras

Authors: Yan Xie, Ph.D. https://orcid.org/0000-0002-2457-9382, Taeyoung Choi, M.S., and Ziyad Al-Aly, M.D. https://orcid.org/0000-0002-2600-0434, N Engl J Med 2024;391:515-525, DOI: 10.1056/NEJMoa2403211, VOL. 391 NO. 6 Abstract Background Postacute sequelae of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection (PASC) can affect many organ systems. However, temporal […]

5 things we know and still don’t know about COVID, 5 years after it appeared

By  LAURAN NEERGAARD, and MIKE STOBBE Five years ago, a cluster of people in Wuhan, China, fell sick with a virus never before seen in the world. The germ didn’t have a name, […]