1923 | Humans |
1884 | COVID-19 |
1549 | Pandemics |
1360 | SARS-CoV-2 |
1211 | Coronavirus Infections |
1208 | Pneumonia, Viral |
975 | Betacoronavirus |
760 | Female |
714 | Male |
565 | Adult |
497 | Quarantine |
480 | Middle Aged |
336 | Aged |
326 | Communicable Disease Control |
308 | Young Adult |
305 | Adolescent |
294 | Italy |
270 | Surveys and Questionnaires |
206 | Child |
198 | India |
184 | Cross-Sectional Studies |
152 | Social Isolation |
149 | Aged, 80 and over |
140 | Mental Health |
139 | Retrospective Studies |
125 | China |
117 | Anxiety |
113 | United Kingdom |
107 | Telemedicine |
105 | Child, Preschool |
93 | Spain |
93 | Physical Distancing |
93 | Air Pollution |
92 | Stress, Psychological |
88 | Emergency Service, Hospital |
87 | Depression |
83 | Public Health |
83 | Disease Outbreaks |
81 | Hospitalization |
81 | Environmental Monitoring |
80 | Infant |
79 | Time Factors |
79 | Incidence |
78 | Health Services Accessibility |
78 | Air Pollutants |
77 | Risk Factors |
76 | Infection Control |
76 | Cities |
74 | Particulate Matter |
71 | Exercise |
66 | France |
63 | COVID-19 Testing |
61 | Delivery of Health Care |
58 | Models, Theoretical |
57 | Prevalence |
56 | Health Policy |
55 | Socioeconomic Factors |
54 | Mental Disorders |
54 | Infant, Newborn |
54 | Adaptation, Psychological |
48 | Contact Tracing |
47 | Travel |
46 | Europe |
46 | Disease Transmission, Infectious |
46 | Age Factors |
45 | United States |
45 | Germany |
45 | Clinical Laboratory Techniques |
44 | Models, Statistical |
44 | Coronavirus |
43 | Health Personnel |
39 | Risk Assessment |
38 | Students |
37 | Basic Reproduction Number |
36 | Personal Protective Equipment |
36 | Forecasting |
36 | Feeding Behavior |
35 | Pregnancy |
35 | Life Style |
35 | Internet |
34 | Tertiary Care Centers |
34 | South Africa |
34 | Sleep |
34 | Sedentary Behavior |
34 | Longitudinal Studies |
34 | Global Health |
33 | Referral and Consultation |
33 | Patient Admission |
33 | Health Knowledge, Attitudes, Practice |
32 | Prospective Studies |
32 | Animals |
31 | Universities |
31 | Quality of Life |
29 | Social Media |
29 | Psychological Distress |
28 | Public Policy |
28 | Neoplasms |
28 | Emergencies |
28 | Diabetes Mellitus, Type 1 |
27 | Models, Biological |
27 | Diet |
27 | Cohort Studies |
26 | Sex Factors |
26 | Fear |
25 | Vulnerable Populations |
25 | Social Support |
25 | Loneliness |
25 | Follow-Up Studies |
25 | Education, Distance |
25 | Ambulatory Care |
24 | Parents |
24 | New Zealand |
24 | Health Services Needs and Demand |
24 | Computer Simulation |
23 | Mental Health Services |
23 | Blood Glucose |
22 | Mass Screening |
22 | Masks |
22 | Disease Management |
21 | Qualitative Research |
21 | Practice Guidelines as Topic |
21 | Health Behavior |
21 | Emotions |
21 | Elective Surgical Procedures |
21 | Comorbidity |
20 | Wounds and Injuries |
20 | Prognosis |
20 | Population Surveillance |
20 | Ophthalmology |
20 | Nepal |
20 | Epidemics |
19 | Treatment Outcome |
19 | Severity of Illness Index |
19 | Schools |
19 | Registries |
19 | Patient Acceptance of Health Care |
19 | Mortality |
19 | Blood Glucose Self-Monitoring |
19 | Algorithms |
18 | Time-to-Treatment |
18 | Social Behavior |
18 | Severe Acute Respiratory Syndrome |
18 | Resilience, Psychological |
18 | Remote Consultation |
18 | Poverty |
18 | Intensive Care Units |
18 | Hospitals |
18 | Health Surveys |
18 | Greece |
18 | England |
18 | Employment |
18 | Disaster Planning |
18 | Communication |
18 | Brazil |
18 | Age Distribution |
17 | Urban Population |
17 | Stroke |
17 | Self Report |
17 | Interpersonal Relations |
17 | HIV Infections |
17 | Government |
17 | Developing Countries |
17 | Caregivers |
16 | Videoconferencing |
16 | Societies, Medical |
16 | Sleep Initiation and Maintenance Disorders |
16 | Rural Population |
16 | Nitrogen Dioxide |
16 | Family Characteristics |
16 | Eye Diseases |
16 | Diabetes Mellitus, Type 2 |
15 | Triage |
15 | London |
15 | Hypoglycemic Agents |
15 | Family |
15 | Epidemiological Monitoring |
15 | Diabetes Mellitus |
15 | Australia |
15 | Asymptomatic Infections |
15 | Alcohol Drinking |
14 | Republic of Korea |
14 | Nigeria |
14 | Needs Assessment |
14 | Hospitals, University |
14 | Hospital Mortality |
14 | Health Status |
14 | Chronic Disease |
14 | COVID-19 Vaccines |
13 | Workload |
13 | Transients and Migrants |
13 | Switzerland |
13 | Sleep Wake Disorders |
13 | Real-Time Polymerase Chain Reaction |
13 | RNA, Viral |
13 | Patient Care |
13 | Pakistan |
13 | Ozone |
13 | Outcome Assessment, Health Care |
13 | Netherlands |
13 | Mobile Applications |
13 | Income |
13 | Food Supply |
13 | Emergency Medical Services |
13 | Disease Susceptibility |
13 | Cost of Illness |
13 | Bangladesh |
12 | Students, Medical |
12 | State Medicine |
12 | Singapore |
12 | ST Elevation Myocardial Infarction |
12 | Psychological Distance |
12 | Pregnancy Complications, Infectious |
12 | Poland |
12 | Occupational Health |
12 | Motivation |
12 | Israel |
12 | Insulin |
12 | Infectious Disease Transmission, Patient-to-Professional |
12 | Glycated Hemoglobin A |
12 | Decision Making |
12 | Case-Control Studies |
12 | Breast Neoplasms |
12 | Body Mass Index |
12 | Belgium |
12 | Anxiety Disorders |
11 | World Health Organization |
11 | Sex Distribution |
11 | Regression Analysis |
11 | Public Opinion |
11 | Protective Factors |
11 | Primary Health Care |
11 | Population Density |
11 | Patient Isolation |
11 | Length of Stay |
11 | Health Status Disparities |
11 | Health Resources |
11 | Health Care Surveys |
11 | Hand Disinfection |
11 | Facilities and Services Utilization |
11 | Cardiovascular Diseases |
11 | Attitude |
11 | Artificial Intelligence |
10 | Workplace |
10 | Weight Gain |
10 | Sweden |
10 | Substance-Related Disorders |
10 | Stress Disorders, Post-Traumatic |
10 | Reconstructive Surgical Procedures |
10 | Politics |
10 | Pilot Projects |
10 | Perception |
10 | Obesity |
10 | Nasopharynx |
10 | Japan |
10 | Interviews as Topic |
10 | Health Promotion |
10 | Guideline Adherence |
10 | Government Regulation |
10 | Geography |
10 | Genome, Viral |
10 | Epilepsy |
10 | Civil Defense |
10 | Chilblains |
10 | Austria |
10 | Antibodies, Viral |
10 | Ambulatory Care Facilities |
10 | Affect |
10 | Acute Disease |
9 | Viral Vaccines |
9 | Violence |
9 | Vehicle Emissions |
9 | Uncertainty |
9 | Turkey |
9 | Trauma Centers |
9 | Telephone |
9 | Surgical Procedures, Operative |
9 | Scotland |
9 | Polymerase Chain Reaction |
9 | Pediatrics |
9 | Patient Safety |
9 | Patient Compliance |
9 | Ophthalmologists |
9 | Logistic Models |
9 | Information Dissemination |
9 | Inflammatory Bowel Diseases |
9 | Glycemic Control |
9 | Dermatology |
9 | Dentists |
9 | Denmark |
9 | Continuity of Patient Care |
9 | Attitude to Health |
9 | Attitude of Health Personnel |
9 | Africa |
9 | Aerosols |
8 | Tomography, X-Ray Computed |
8 | Suicide |
8 | Social Networking |
8 | Sensitivity and Specificity |
8 | Screen Time |
8 | Saudi Arabia |
8 | Safety Management |
8 | Risk |
8 | Reverse Transcriptase Polymerase Chain Reaction |
8 | Public Health Surveillance |
8 | Public Health Administration |
8 | Program Evaluation |
8 | Percutaneous Coronary Intervention |
8 | Patient Satisfaction |
8 | Paris |
8 | Myocardial Infarction |
8 | Mothers |
8 | Mass Media |
8 | Malaysia |
8 | Interrupted Time Series Analysis |
8 | Internship and Residency |
8 | Hygiene |
8 | Human Activities |
8 | Housing |
8 | Hospitals, Pediatric |
8 | Health Education |
8 | Feasibility Studies |
8 | Databases, Factual |
8 | Cross Infection |
8 | Critical Care |
8 | Consensus |
8 | Cause of Death |
8 | Bayes Theorem |
8 | Appointments and Schedules |
8 | Alcoholism |
8 | Accidents, Traffic |
7 | Wales |
7 | Urologic Surgical Procedures |
7 | Unemployment |
7 | Thrombectomy |
7 | Survival Rate |
7 | Suicidal Ideation |
7 | Snacks |
7 | Smoking |
7 | Skin Neoplasms |
7 | Skin Diseases |
7 | Sexual Behavior |
7 | Seroepidemiologic Studies |
7 | Self-Management |
7 | Self Care |
7 | Search Engine |
7 | Residence Characteristics |
7 | Psychiatric Status Rating Scales |
7 | Professional Role |
7 | Practice Patterns, Physicians' |
7 | Portugal |
7 | Policy |
7 | Patient Selection |
7 | Patient Discharge |
7 | Outpatients |
7 | Neurosurgical Procedures |
7 | Mathematical Concepts |
7 | Heart Failure |
7 | Guidelines as Topic |
7 | Dementia |
7 | Delayed Diagnosis |
7 | Data Collection |
7 | Curriculum |
7 | Cell Phone |
7 | Biomedical Research |
7 | Asymptomatic Diseases |
6 | Waste Water |
6 | Symptom Assessment |
6 | Survival Analysis |
6 | Surgery Department, Hospital |
6 | Stochastic Processes |
6 | Social Stigma |
6 | Social Determinants of Health |
6 | Smartphone |
6 | Seasons |
6 | Risk Reduction Behavior |
6 | Risk Management |
6 | Resource Allocation |
6 | Research |
6 | Research Personnel |
6 | Research Design |
6 | Reproducibility of Results |
6 | Quality of Health Care |
6 | Psychotherapy |
6 | Psychosocial Support Systems |
6 | Protein Conformation |
6 | Phylogeny |
6 | Personnel Staffing and Scheduling |
6 | Personal Satisfaction |
6 | New York |
6 | Mutation |
6 | Mexico |
6 | Medical Oncology |
6 | Machine Learning |
6 | Liver Transplantation |
6 | Linear Models |
6 | Learning |
6 | Intimate Partner Violence |
6 | Internationality |
6 | Inpatients |
6 | Information Seeking Behavior |
6 | Immunoglobulin G |
6 | Heart Diseases |
6 | Feeding and Eating Disorders |
6 | Emergency Treatment |
6 | Education, Medical |
6 | Ecosystem |
6 | Economic Recession |
6 | Disease Progression |
6 | Disabled Persons |
6 | Commerce |
6 | Clinical Trials as Topic |
6 | Circadian Rhythm |
6 | Canada |
6 | Biopsy |
6 | Asia |
6 | Argentina |
6 | Appendicitis |
6 | Antiviral Agents |
6 | Adolescent Behavior |
6 | Acute Coronary Syndrome |
6 | Activities of Daily Living |
6 | Academic Medical Centers |
5 | Wounds, Gunshot |
5 | Work |
5 | Water |
5 | Water Quality |
5 | Waste Management |
5 | Viral Load |
5 | Video Games |
5 | Victoria |
5 | Urology |
5 | Uganda |
5 | Trust |
5 | Transportation |
5 | Thailand |
5 | Surgeons |
5 | Sulfur Dioxide |
5 | Substance Withdrawal Syndrome |
5 | Students, Nursing |
5 | Spike Glycoprotein, Coronavirus |
5 | Spatial Analysis |
5 | Social Control, Formal |
5 | Sexual Partners |
5 | Seizures |
5 | Security Measures |
5 | SARS Virus |
5 | Psychological Trauma |
5 | Prenatal Care |
5 | Pregnant Women |
5 | Postoperative Complications |
5 | Peptidyl-Dipeptidase A |
5 | Patients |
5 | Patient Health Questionnaire |
5 | Otolaryngology |
5 | Organizational Innovation |
5 | Occupational Exposure |
5 | Obsessive-Compulsive Disorder |
5 | Nutritional Status |
5 | Neurology |
5 | Monte Carlo Method |
5 | Monitoring, Physiologic |
5 | Molecular Dynamics Simulation |
5 | Melanoma |
5 | Medication Adherence |
5 | Leisure Activities |
5 | Jordan |
5 | Insulin Infusion Systems |
5 | Immunity, Herd |
5 | Hypoglycemia |
5 | Human Rights |
5 | Hospital Units |
5 | Hospital Departments |
5 | Hospital Bed Capacity |
5 | Hemorrhagic Fever, Ebola |
5 | Healthy Lifestyle |
5 | Healthcare Disparities |
5 | Health Communication |
5 | Health Care Rationing |
5 | Head and Neck Neoplasms |
5 | Hand Hygiene |
5 | General Surgery |
5 | Friends |
5 | Family Relations |
5 | Eye Banks |
5 | Environmental Exposure |
5 | Environment |
5 | Endoscopy |
5 | Educational Status |
5 | Domestic Violence |
5 | Disease Notification |
5 | Disasters |
5 | Diagnosis, Differential |
5 | Data Analysis |
5 | Cost-Benefit Analysis |
5 | Computer-Assisted Instruction |
5 | Computational Biology |
5 | Community Health Services |
5 | Clinical Competence |
5 | Child Welfare |
5 | Child Abuse |