Thema
Journal Article
3.310
COVID-19
2.845
Research Support, Non-U.S. Gov't
1.824
COVID-19 Vaccines
456
SARS-CoV-2
386
pandemic
256
mental health
242
COVID-19 pandemic
231
public health
226
Review
210
Systematic Review
152
anxiety
138
depression
131
vaccination
119
Research Support, N.I.H., Extramural
118
Vaccines
115
China
107
vaccine hesitancy
99
coronavirus
97
knowledge
95
vaccine
83
Meta-Analysis
81
Observational Study
75
Editorial
74
COVID-19 vaccine
69
lockdown
69
healthcare workers
68
epidemiology
67
children
66
mortality
61
resilience
60
attitude
59
stress
56
physical activity
51
Published Erratum
48
meta-analysis
44
health policy
42
Multicenter Study
41
risk factors
40
Saudi Arabia
39
social media
39
telemedicine
39
vaccines
38
practice
37
prevention
37
RNA, Viral
35
older adults
35
qualitative study
35
quarantine
35
Comment
34
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