Schlagwörter
Adult
4
Antibodies
4
Antibody Formation
4
Belgium
4
COVID-19
4
Disease Transmission
4
Female
4
Health Personnel
4
Healthcare workers
4
Hospitals
4
Humans
4
Humoral
4
Immunity
4
Infectious
4
Male
4
Middle Aged
4
Nurses
4
Occupational Exposure
4
Retrospective Studies
4
SARS-CoV-2
4
Serology
4
Teaching
4