Flu Sunday for the elderly.
D000367:Age Factors; D000368:Aged; D000818:Animals; D005260:Female; D006801:Humans; D007115:Immunization Schedule; D007252:Influenza Vaccines / Q000009:adverse effects*; D007251:Influenza, Human / Q000517:prevention & control*; D008297:Male; D008875:Middle Aged; D010349:Patient Compliance; D013552:Swine; D014611:Vaccination / Q000009:adverse effects*; D014768:Virginia
D007252:Influenza Vaccines