Schlagwörter
80 and over
2
Aged
2
Averted cases
2
Female
2
Human
2
Humans
2
Immunization Programs
2
Impact
2
Influenza
2
Influenza Vaccines
2
Influenza vaccine
2
Male
2
Middle Aged
2
Netherlands
2
Population Surveillance
2
Portugal
2
Primary Health Care
2
Public Health
Seasons
2
Spain
2
Vaccination
2
Vaccination Coverage
2