With the uptick in coronavirus cases and the positivity rate going beyond 2%, the national capital is witnessing a nearly 48% rise in home isolation cases in the last one week. Latest reports from Delhi, citing the official data, says the people, in general, in the city fear that COVID 4th wave might have arrived in the national capital as they witness these scary developments.  As per the data, the number of home isolation cases stood at 574 on Thursday, while 325 new coronavirus cases were recorded with a positivity rate of 2.39 per cent. Alarmingly, the daily COVID cases have been on the rise in the last few days while the positivity rate has been registered in excess of one percent since April 4 when it had stood at 1.34 percent.