Participation of Providence senior citizens in the swine flu inoculation program.
D000368:Aged; D005260:Female; D006801:Humans; D009980:Influenza A virus; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000517:prevention & control*; D008297:Male; D008875:Middle Aged; D014611:Vaccination
D007252:Influenza Vaccines