1. All HCWs (doctors and nurses and housekeeping staff) posted to take care of patients in the designated COVID 19 wards / ICUs for at least one shift (minimum 6 hours). <br/ >2. All HCWs (doctors and nurses and housekeeping staff) likely to be posted in Emergency medical services (EMS) for one week (minimum 56 hours). <br/ >3. All laboratory workers likely to be posted for at least one week in a Virology laboratory where SARS-CoV-2 testing is being performed. <br/ >

1. All HCWs (doctors and nurses and housekeeping staff) posted to take care of patients in the designated COVID 19 wards / ICUs for at least one shift (minimum 6 hours). <br/ >2. All HCWs (doctors and nurses and housekeeping staff) likely to be posted in Emergency medical services (EMS) for one week (minimum 56 hours). <br/ >3. All laboratory workers likely to be posted for at least one week in a Virology laboratory where SARS-CoV-2 testing is being performed. <br/ >

1. All HCWs (doctors and nurses and housekeeping staff) posted to take care of patients in the designated COVID 19 wards / ICUs for at least one shift (minimum 6 hours). <br/ >2. All HCWs (doctors and nurses and housekeeping staff) likely to be posted in Emergency medical services (EMS) for one week (minimum 56 hours). <br/ >3. All laboratory workers likely to be posted for at least one week in a Virology laboratory where SARS-CoV-2 testing is being performed. <br/ >

1. All HCWs (doctors and nurses and housekeeping staff) posted to take care of patients in the designated COVID 19 wards / ICUs for at least one shift (minimum 6 hours). <br/ >2. All HCWs (doctors and nurses and housekeeping staff) likely to be posted in Emergency medical services (EMS) for one week (minimum 56 hours). <br/ >3. All laboratory workers likely to be posted for at least one week in a Virology laboratory where SARS-CoV-2 testing is being performed. <br/ >