Thema
COVID-19
3.003
Journal Article
2.932
SARS-CoV-2
2.324
Systematic Review
2.145
Review
1.231
Meta-Analysis
1.037
Medicine
425
R
425
Research Support, Non-U.S. Gov't
400
systematic review
329
Systematic review
294
meta-analysis
277
Meta-analysis
261
COVID-19 Vaccines
260
Coronavirus
228
570
214
Biology
214
coronavirus
193
mortality
160
covid-19
154
Medicine (General)
132
Mortality
129
sars-cov-2
112
Antiviral Agents
108
Infectious and parasitic diseases
108
Q
102
Science
102
Public aspects of medicine
91
vaccine
85
Antibodies, Viral
83
Pandemic
82
vaccination
81
pandemic
79
SARS-CoV-2 infection
76
Vaccine
74
RNA, Viral
71
pregnancy
71
SARS-COV-2
66
Covid-19
63
SARS-CoV2
61
COVID-19 vaccine
56
Pregnancy
55
coronavirus disease 2019
55
COVID‐19
54
Immunologic diseases. Allergy
54
SARS‐CoV‐2
53
Hydroxychloroquine
52
Vaccination
52
severe acute respiratory syndrome coronavirus 2
52
SARS-Cov-2
51
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