"Herd immunity" and the meningococcal vaccine trial in Norway.
G
G
Bjune
D000293:Adolescent; D001428:Bacterial Vaccines / Q000276:immunology*; D002353:Carrier State / Q000276:immunology*; D006801:Humans; D008589:Meningococcal Infections / Q000276:immunology*; D022401:Meningococcal Vaccines; D009664:Norway; D011897:Random Allocation
D001428:Bacterial Vaccines; D022401:Meningococcal Vaccines