[Influenza vaccination of Swiss railway and postal personnel, autumn 1970].
D000041:Absenteeism; D003139:Common Cold / Q000453:epidemiology; D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control*; D009787:Occupational Medicine; D011177:Postal Service; D011890:Railroads; D012621:Seasons; D013557:Switzerland; D014611:Vaccination
D007252:Influenza Vaccines
Grippeschutzimpfungen beim Personal der SBB und der PTT-Betriebe, Herbst 1970.