COVID-19: The Mystery of Prolonged Symptoms

Long COVID is a condition in which symptoms such as fatigue, cognitive dysfunction and hair loss continue after infection has passed. A Japanese researcher who studied the cause published a paper confirming that SARS-Cov-2 infects the brain. It says symptoms vary according to the area of the brain that is infected. Separately, a Japanese national medical institution has developed a blood test to predict who could get severe COVID-19.