Keyphrases
Netherlands
100%
Hospital Admission
100%
Vaccine Effectiveness
100%
Test-negative Design
100%
COVID-19 Related
100%
Comorbidity
66%
COVID-19 Vaccination
50%
Protective Effect
33%
ICU Admission
33%
ICU Mortality
33%
Fully Vaccinated
33%
Dutch
16%
High Risk
16%
Hospitalization
16%
Patient Characteristics
16%
Subgroup Analysis
16%
Nursing Homes
16%
Multivariable Logistic Regression
16%
Vaccination
16%
COVID-19
16%
Respiratory Symptoms
16%
Unvaccinated
16%
Residency
16%
Vaccination against COVID-19
16%
COVID-19 Hospitalization
16%
Breakthrough Infection
16%
Positive Check
16%
Medicine and Dentistry
Case-Control Study
100%
COVID-19
100%
Comorbidity
100%
COVID-19 Vaccination
75%
Subgroup Analysis
25%
Population Research
25%
Logistic Regression Analysis
25%
Patient Characteristics
25%
Nursing Home
25%
Infection
25%
Severe Acute Respiratory Syndrome Coronavirus 2
25%
Pharmacology, Toxicology and Pharmaceutical Science
Case-Control Study
100%
Comorbidity
100%
Infection
25%
Population Study
25%
SARS Coronavirus
25%
Biochemistry, Genetics and Molecular Biology
Case-Control Study
100%
Comorbidity
100%
Population Research
25%
SARS Coronavirus
25%
Mathematics
Control Study
100%
Logistic Regression
50%