During the previous 24 hours, the number of Covid-19 patients hospitalised in Karachi reached its highest level since June last year with the test positivity rate at 23.46 per cent.Federal and provincial health officials provided this information on Saturday. They said a total of 144 people diagnosed with Covid-19 were taken to various hospitals in Sindh during the previous 24 hours and 129 of them were admitted to different hospitals in Karachi.“Karachi faced the highest number of...