Delhi's tally to 14,09,950 on Thursday.In its latest Covid-19 bulletin, the Delhi health department said 13,47,157 patients have recovered so far with 7831 recoveries in a day, while its death toll has risen to 22,579.Now, Delhi is left with 40,214 active Covid-19 cases.The positivity rate in the city has dropped further from 5.78% on Wednesday to 5.50% today, as per the bulletin.Though the daily new Covid-19 cases in Delhi has been falling in recent days, the capital is not out of the woods yet.Amid the second wave of the Covid-19 pandemic, the Delhi High Court today informed big hospitals with 100 or more beds to install oxygen plants, stating that the bitter experience citizens had due to the shortage of medical oxygen for treating.