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COVID-19
3.017
Journal Article
2.954
SARS-CoV-2
2.335
Systematic Review
2.157
Review
1.238
Meta-Analysis
1.045
Medicine
425
R
425
Research Support, Non-U.S. Gov't
406
systematic review
331
Systematic review
298
meta-analysis
278
570
270
Biology
270
Meta-analysis
265
COVID-19 Vaccines
263
Coronavirus
228
coronavirus
192
mortality
161
covid-19
154
Medicine (General)
132
Mortality
129
sars-cov-2
112
Antiviral Agents
109
Infectious and parasitic diseases
108
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102
Science
102
Public aspects of medicine
91
Antibodies, Viral
85
vaccine
85
Pandemic
83
vaccination
81
pandemic
79
Vaccine
77
SARS-CoV-2 infection
76
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
COVID-19 vaccines
51
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