Vaccination against Meningococcal Group A Disease in Finland 1974–75

摘要: AbstractMeningococcal group A polysaccharide vaccine was used in children 3 months to 5 years of age the winter 1974–75 during an epidemic caused by sulphonamide-resistant meningococci. In provinces, offered on a double-blind basis, using Haemophilus influenzae type b as control. Approximately 100 000 were vaccinated with either one vaccines. Kymi province, approximately 22 representing 90% child population this received meningococcus vaccine. Infants below 18 booster dose after first dose. The local symptoms 71%, mild systemic reactions 37%, and high fever (38.5°C or more) 1.8%. haemophilus produced fewer side effects. No clinical infections meningococci reported 6 vaccination among those who had meningococcal At same time, case...