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["Author","Title","Year of publication","Type of Articles","COVID-19 Infection","Citation ","Funding","If funded, who funded?","Country","ethical approval","study design","Setting",{"$nulls":4},"sample size","COVID-19 lab test used",{"$nulls":5},"Specimen used",{"$nulls":3},"Method of analysis by study","Age",null,"Sex",null,null,"Profession",{"$nulls":9},"Infection control measures",{"$nulls":5},"Treatment given",{"$nulls":6},"Number infected (cases)","Number of deaths (mortality)","Duration of illness","Nature of care",{"$nulls":3},"Co-mordidity",{"$nulls":4},"Prevalence of COVID-19","Case Fatality Rate CFR)"]
[{"$nulls":11},"Hospital/clinic","Nursing home","Mobile clinics","Specific sites","Others",null,"PCR","Antigen test","Antibody test","clinical symptoms","Screening methods ","other tests","Upper respiratory eg Oropharyngeal or Nasalpharyngeal swab ","Lower respiratory like biopsy or sputum","Blood","others",null,"Range","Average","Number of Males","Number of Females","Others","Physician","Nurse","Laboratory worker","Pharmacist","Dentist","Medical students","Administrators","Ambulance driver","Auxillary worker","Others","Hand hygiene","The use of PPE","Safe disposal of wastes","Routine environmental cleaning","Cough etiquette","Others","Supportive care Fluids","Supportive care Oxygen","Diet/Nutritional","Physical exercise","Medication/Oral","IV medication","Other",{"$nulls":3},"Home care","Hospitalization minus ICU","Hospitalization with ICU","Others","Mental Health","Cardiovascular","Respiratory","Neuro","Others"]