A sub-inspector of police's Special Branch, who was diagnosed with coronavirus, was shifted to Dhaka from Osmanpur village in Khoksa upazila on Saturday after his condition deteriorated. Dr Kamruzzaman, Upazila Health and Family Planning Officer, said they sent SI Kazi Ataul, 35, to Rajarbag Police Lines Hospital as his condition worsened and there was no ventilator at Khoksa Upazila Health Complex.   The SI was sent to Dhaka by an ambulance, under the directives of Police Headquarters and supervision of district police, he said.   Meanwhile, the local administration put Ward-3 of Osmanpur village under lockdown and sent the family members of the SI to home quarantine.   Jahurul Alam, officer-in-charge of Khoksha Police Station, said SI Kazi came home on Tuesday night on a motorcycle.   IEDCR on Wednesday confirmed him over mobile phone that he was infected with coronavirus, OC added.   He was in home quarantine and was under observation by local physicians but his condition deteriorated and he started coughing heavily.   Bangladesh has so far confirmed 4,998 coronavirus cases and 140 deaths.   At a regular briefing on Saturday, the DGHS said coronavirus has spread to 60 districts in the country except Rangamati, Khagrachhari, Jhenidah and Satkhira.