Covid-19: Number of students isolating quadruples in a week

The number of students told to isolate following Covid-19 cases at Cardiff University has quadrupled in a week. On Thursday the university said 1,983 students were in isolation - up from 510 this time last week. It also said a further 73 students had tested positive on Wednesday. Last week a total of 251 of its students tested positive for the virus. Of those in isolation, 243 have reported symptoms and 1,287 are close contacts without symptoms.