title: I'm 75 and have heard about the flu patch under investigation. What can you tell me about it, and is my only option for flu vaccination a shot?
mesh_terms: D000279:Administration, Cutaneous; D000368:Aged; D000075202:Contraindications; D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage*; D007251:Influenza, Human / Q000517:prevention & control*; D007273:Injections, Intramuscular
chemical_list: D007252:Influenza Vaccines