title: Reply to the letter to the editor by Dr. Wiwanitkit.
authors: Geneva University, Geneva, Switzerland.
authors: Jean-Pierre
authors: JP
authors: Michel
mesh_terms: D005260:Female; D006801:Humans; D007252:Influenza Vaccines; D008297:Male; D009735:Nursing Homes; D014611:Vaccination / Q000706:statistics & numerical data*
chemical_list: D007252:Influenza Vaccines