Medicine and Dentistry
COVID-19
100%
Cohort Analysis
38%
Severe Acute Respiratory Syndrome Coronavirus 2
34%
Infection
20%
Cohort Effect
18%
COVID-19 Vaccination
16%
Primary Health Care
15%
Coronavirinae
14%
Diseases
14%
Prospective Cohort Study
13%
Observational Study
12%
Asthma
11%
Public Health
9%
COVID-19 Vaccine
9%
Neonates
7%
Comorbidity
6%
Chronic Obstructive Pulmonary Disease
6%
Asthma Exacerbation
6%
Disease Severity
6%
Acute Exacerbation of Chronic Obstructive Pulmonary Disease
6%
Statistical Modeling
6%
Systematic Review
6%
Obstetrics
6%
Hazard Ratio
5%
Pharmacology, Toxicology and Pharmaceutical Science
Diseases
35%
SARS Coronavirus
34%
Cohort Study
25%
Coronavirinae
15%
COVID-19 Vaccine
15%
Infection
15%
Pandemic
12%
Prospective Cohort Study
12%
Comorbidity
9%
Respiratory Tract Infection
6%
Statistical Modeling
6%
Observational Study
6%
Chronic Obstructive Lung Disease
6%
Messenger RNA
6%
Disease Severity
6%
Multiple Chronic Conditions
6%
Asthma
6%
Nursing and Health Professions
Severe Acute Respiratory Syndrome
22%
Infection
16%
Diseases
7%
Hazard Ratio
6%
Cohort Analysis
6%
Nutrition Policy
6%
Multiple Chronic Conditions
6%
Neonates
6%
Disease Severity
6%
Systematic Review
6%
Comorbidity
5%