Keyphrases
Self-controlled Case Series
100%
Vaccine Effectiveness
95%
Self-controlled Case Series Method
86%
Self-controlled Case Series Study
68%
Case Series Analysis
62%
COVID-19
59%
Confidence Interval
55%
Primary Care
54%
Influenza Vaccine Effectiveness
52%
Incidence Rate
47%
United Kingdom
40%
Vaccination
37%
Influenza
37%
A(H1N1)pdm09
37%
COVID-19 Vaccine
34%
Relative Incidence
34%
Influenza Vaccine
30%
H3N2
29%
Hospitalization
29%
Serosurvey
27%
Observation Period
27%
Infectious Diseases
26%
Case Series Models
25%
Trihalomethanes
25%
European Studies
25%
Immunosuppressed
23%
Euroimmun
23%
All Ages
23%
Seroprevalence
21%
Live Attenuated Influenza Vaccine
20%
SARS-CoV-2 Antibodies
20%
Test-negative Design
20%
Influenza Vaccination
20%
Influenza A
19%
Sentinel Network
19%
COVID-19 Vaccination
19%
Influenza-like Illness
19%
Simulation Study
19%
Acute Myocardial Infarction
19%
Vaccine Safety
19%
Time Series Data
19%
Serological Response
19%
Chloroform
18%
Age Groups
17%
Aging Effect
16%
Antibody Response
16%
Immune Response
15%
Risk of Death
15%
Response Effectiveness
15%
Severe Acute Respiratory Syndrome Coronavirus 2 Infection
14%
Medicine and Dentistry
Primary Health Care
69%
Influenza Vaccine
63%
COVID-19
41%
Infection
37%
Influenza A Virus (H3N2)
32%
Severe Acute Respiratory Syndrome Coronavirus 2
26%
Influenza A Virus (H1N1)
24%
COVID-19 Vaccine
22%
Influenza A (H1N1)
21%
Influenza A
21%
Cohort Analysis
20%
Respiratory Tract Infection
16%
Influenza Vaccination
15%
High Risk Population
14%
Influenza B
14%
Virus
14%
Apoplexy
13%
COVID-19 Vaccination
13%
Acute Heart Infarction
12%
Arrhythmia
12%
Heart Arrest
12%
Hemorrhagic Fever with Renal Syndrome
12%
Diseases
12%
Antibody Response
10%
Emergency Care
9%
COVID-19 Mortality
9%
Messenger RNA
9%
General Medicine
8%
Systematic Review
8%
mRNA Vaccine
8%
Immune Response
8%
Hemagglutination Inhibition
8%
Booster Dose
8%
Bleeding
7%
Odds Ratio
7%
Virus Infection
7%
Sentinel Surveillance
7%
Myocarditis
7%
Gene Linkage
7%
Reverse Transcription Polymerase Chain Reaction
7%
Influenza A (H3N2)
7%
Reinfection
7%
Chloroform
6%
Disease Surveillance
6%
Flu Like Syndrome
6%
Stillbirth
6%
Pharmacoepidemiology
6%
Pericarditis
6%
Bereavement
6%
Mosaicism
6%
