New Delhi, Feb. 15 -- Fatigue or the lack of physical energy has been a common symptom for people infected with Covid-19. However, a new study suggests that those who have recovered from Covid-19 are at least four times more likely to develop chronic fatigue than people who did not have the virus. Electronic health records from the University of Washington of more than 4,500 patients with confirmed Covid-19 between February 2020 and February 2021 were looked at by the researchers. The Covid-19 confirmed cases were compared with data of more than 9,000 non-Covid-19 patients with imilar characteristics. Among Covid-19 patients, the rate of new cases of fatigue was 10.2 per 100 person-years and the rate of new cases of chronic fatigue was 1.8 ...