Influenza prevention and control. Past practices and future prospects.
D000368:Aged; D001291:Attitude of Health Personnel; D005544:Forecasting; D006266:Health Education; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000517:prevention & control*; D008511:Medicine; D008875:Middle Aged; D013038:Specialization; D014611:Vaccination / Q000639:trends
D007252:Influenza Vaccines