This is one of the terms used to describe persistent or new symptoms that develop after a probable or confirmed case of COVID-19. According to the World Health Organization, these symptoms usually occur within 3 months of the initial infection and last for at least 2 months without another cause for the symptoms found. Common symptoms include tiredness, shortness of breath, “brain fog” or difficulty concentrating, dizziness, muscle or joint pain, weakness, and difficulty with exercise. These symptoms can be severe enough they affect your daily activities.

Other terms you may hear that describe these symptoms after COVID-19 infection include long-haul COVID, post-acute COVID 19 condition, post-acute sequelae of SARs CoV-2 infection (PASC), long-term effect of COVID, and chronic COVID.