AMARAVATI : A total of 154 coronavirus cases were added in the last 24 hours taking the overall infection tally to 4,813 in Andhra Pradesh, officials said on Monday.The State Secretariat continued to report fresh Covid-19 cases as two more government employees tested positive for the virus today.The Industries Department Special Chief Secretary Karikal Valavan issued an order asking its employees to work from home even as staff of other departments too are seeking the same in view of the rise in coronavirus cases in the Secretariat.So far seven Covid-19 cases were reported in the Secretariat in less than 10 days, affecting various departments.The agriculture department, where the first case was detected, has also asked its staff to work.