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What Are Post-COVID Conditions (Long COVID)?

Long Covid

COVID-19 (coronavirus disease 2019) is an illness caused by a virus. Many people get better within a few days or weeks after being infected with the virus. But others have post-COVID conditions. They may:

  • Have symptoms that linger for weeks, months, or even years
  • Seem to recover from COVID-19 but then see their symptoms return
  • Develop new symptoms or new health conditions within a few months of having COVID-19

There are several other names for post-COVID conditions. It is often called long COVID. But it can also be called long-haul COVID, long-term effects of COVID, chronic COVID, post-acute COVID-19, and post-acute sequelae of SARS-CoV-2 (PASC).