As thousands of people worldwide report a wide range of ongoing symptoms many months after being diagnosed
Scientists say wearables can provide data on body temperature, heart and respiratory rates and more
People having symptoms of coronavirus can approach the teams through a call on rescue helpline 1122
China has had more than 81,000 cases of the coronavirus and 3,305 deaths
Nearly half of cases experience digestive system problems as well as respiratory, say experts from Binzhou University
The measures are brought into force after Khamenei orders armed forces to lead battle against virus
Number 7 is very common