Influenza vaccine update.
D000328:Adult; D000368:Aged; D001131:Arkansas; D002648:Child; D002675:Child, Preschool; D005260:Female; D005544:Forecasting; D006801:Humans; D017589:Immunization Programs / Q000458:organization & administration* / Q000639:trends; D007252:Influenza Vaccines / Q000008:administration & dosage*; D007251:Influenza, Human / Q000517:prevention & control*; D008297:Male; D008875:Middle Aged
D007252:Influenza Vaccines