Some remarks on black quarter vaccines

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Peer-Reviewed Research
  • SDG 3
  • Abstract:

    The experiments detailed here tend to the following conclusions:- (1) Slight persistent local reactions may sometimes be expected to follow inoculation with blackquarter vaccines precipitated by alum or aluminium hydroxide. (2) Blackquarter vaccines containing alum afford a very strong protection against the disease. (3) The immunity from the best vaccines at present in use becomes gradually reduced after six to twelve months. (4) There is probably some diminution in the efficiency of all types of blackquarter vaccine after 6-12 months, but a fairly good protection was still afforded by one-year-old vaccine.