Keyphrases
Meta-analysis
100%
Influenza Vaccine
100%
Elderly People
100%
Pneumonia
100%
Meta-review
100%
Vaccine Effectiveness
60%
Hospitalization
60%
Influenza
60%
In-hospital Death
40%
Cost-effectiveness Study
40%
Paucity
20%
Randomized Placebo-controlled Trial
20%
Odds Ratio
20%
Disease Severity
20%
Randomized Trial
20%
MEDLINE
20%
Data Extraction
20%
Mortality Prediction
20%
Metaanalysis
20%
Illness
20%
Randomized Double-blind
20%
Patient Study
20%
Virus Strains
20%
Data Synthesis
20%
Vaccine Strain
20%
Protective Efficacy
20%
Cost Savings
20%
Vaccine Administration
20%
Influenza Epidemic
20%
Influenza Immunization
20%
Upper Respiratory Tract Infection
20%
Patient Severity
20%
Index Terms
20%
Elderly Mortality
20%
Public Health Organizations
20%
Respiratory Hospitalization
20%
Patient Status
20%
Respiratory Conditions
20%
Respiratory Mortality
20%
Epidemic Virus
20%
Vaccine Virus
20%
Respiratory Illness
20%
Epidemic Strain
20%
Physician Health
20%
Elderly Pneumonia
20%
Nursing and Health Professions
Meta Analysis
100%
Influenza Vaccine
100%
Vaccine Efficacy
60%
Vaccine
60%
Disease
40%
Respiratory Tract Disease
40%
Cost Effectiveness Analysis
40%
Case-Control Study
40%
Odds Ratio
20%
Data Extraction
20%
Cohort Analysis
20%
Placebo
20%
Public Health Service
20%
Cost Control
20%
Data Synthesis
20%
Seasonal Influenza
20%
Influenza Vaccination
20%
Medicine and Dentistry
Meta-Analysis
100%
Influenza Vaccine
100%
Vaccine
60%
Disease
40%
Respiratory Disease
40%
Case-Control Study
40%
Cost-Effectiveness Analysis
40%
Effectiveness Study
40%
Health Care Cost
20%
Public Health
20%
Placebo
20%
Cohort Analysis
20%
Cohort Study
20%
Seasonal Influenza
20%
Virus Strain
20%
Influenza Vaccination
20%
Vaccine Strain
20%
Odds Ratio
20%
Pharmacology, Toxicology and Pharmaceutical Science
Influenza Vaccine
100%
Vaccine
60%
Disease
40%
Case-Control Study
40%
Cohort Study
40%
Respiratory Tract Disease
40%
Effectiveness Study
40%
Placebo
20%
Seasonal Influenza
20%
Virus Strain
20%
Vaccine Strain
20%