Keyphrases
Meta-analysis
100%
Systematic Meta-analysis
100%
Severe COVID-19
100%
SARS-CoV-2 Infection
42%
Symptomatic COVID-19
42%
Vaccination
28%
Temporal Evolution
28%
First Month
28%
Vaccine Effectiveness
28%
Virus
14%
All Ages
14%
Randomized Controlled Trial
14%
MEDLINE
14%
Random Effects Model
14%
Geographic Region
14%
Severe Acute Respiratory Syndrome Coronavirus (SARS-CoV)
14%
World Health Organization
14%
Assessment Approach
14%
Vaccine Types
14%
Development Approach
14%
Risk of Bias
14%
Public Health Decisions
14%
Grading of Recommendations
14%
Evaluation Assessment
14%
Assessment Development
14%
Cochrane Database of Systematic Reviews
14%
Scopus
14%
Extracted Data
14%
Evaluation Approach
14%
Recommendation Approach
14%
Global Literature
14%
Coronavirus Disease (COVID)
14%
Booster Vaccination
14%
Cochrane Central Register of Controlled Trials
14%
SARS-CoV-2 Evolution
14%
Medicine and Dentistry
Infection
100%
Meta-Analysis
100%
Systematic Review
100%
COVID-19
100%
COVID-19 Vaccine
100%
Severe Acute Respiratory Syndrome Coronavirus 2
30%
Independent Reviewer
20%
Public Health
10%
Cohort Analysis
10%
Randomized Controlled Trial
10%
Random Effects Model
10%
SARS Coronavirus
10%
Coronavirinae
10%
Diseases
10%
Virus
10%
Vaccine Efficacy
10%
Pharmacology, Toxicology and Pharmaceutical Science
Infection
100%
COVID-19 Vaccine
100%
SARS Coronavirus
80%
Cohort Study
20%
Randomized Controlled Trial
20%
Random Effects Model
20%
Coronavirinae
20%
Diseases
20%
Vaccine Efficacy
20%
Agricultural and Biological Sciences
Meta-Analysis
100%
Systematic Review
100%
World Health Organization
33%
Coronavirinae
33%