David Nabarro, WHO special envoy for COVID-19, told a television channel that people affected by COVID-19 may be “out of step for several months” referring to the long Covid. Read also: Confusion about the COVID-19 directive in China Long Covid occurs when a person develops symptoms of the virus after the disease has subsided with a wide range of ongoing health problems that sometimes last for months, according to the US CDC. The CDC says post-COVID-19 conditions are mainly found in people who have suffered from severe COVID-19 disease, however, patients with mild illness or asymptomatic COVID-19 have been affected by long-term Covid. Watch | Wuhan Virus Legacy: Heart Attacks and Long Covid People who have not been vaccinated against COVID-19 and who are infected may also have a higher risk of developing post-COVID disease, the US Health Service has warned. The United States has classified post-COVID-19 conditions as disability under the Disability Americans Act (ADA). The CDC says that there is no test to diagnose conditions after COVID-19, it can only be diagnosed when a person develops symptoms with health related problems. (With information from Institutions) SEE WION LIVE HERE