Thema
Humans
Pandemics
28
COVID-19
13
Animals
10
Biological sciences
10
Biology
10
Epidemics
10
Epidemiology
10
Health sciences
10
Mammals
10
Microbiology
10
Microorganisms
10
Orthomyxoviridae
10
Primates
10
Public health
10
RNA viruses
10
Viruses
10
Zoology
10
Disease outbreaks
9
Health and wellness
9
Influenza A virus
9
Coronavirus Infections
7
H5N1 subtype influenza A virus
7
Medical conditions
7
SARS-CoV-2
7
Infections
6
Journal Article
6
Pandemic
6
Pneumonia, Viral
6
Betacoronavirus
4
Disease transmission
4
Immune system
4
Medical specialties
4
Pathologic processes
4
Pathology
4
Active immunity
3
Adaptive immunity
3
Evolution
3
Evolutionary biology
3
Evolutionary studies
3
Germany
3
Humoral immunity
3
Immune response
3
Immunology
3
Medical sciences
3
Middle Aged
3
Aged
2
Aged, 80 and over
2
Antibodies
2
Antibodies, Neutralizing
2
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