While the government has stopped buses from plying on the roads, this has put extra pressure on Qingqi rickshaws, resulting in violation of social distancing rules.—Fahim Siddiqi/White Star KARACHI: While the Covid-19 situation in the city continues to pose a serious threat to the health infrastructure, with sustained pressure on certain government health facilities being the ‘first choice’ of patients, several other facilities remain under-utilised, it emerged on Tuesday. The Aug 2 data of the health department showed that the Sindh Infectious Disease Hospital and Research Centre — the entire facility is dedicated to Covid-19 patients — had no space left for patient admission in the ICU with only one bed vacant in its high dependency unit (HDU).