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July 1991, Volume 41, Issue 7



Ghazala Moihyuddin Arain

BCG vaccine, is the oldest routinely used vaccine which owes its origin to in vitro attenuation by Calmette Guenn, between the years 1906 and 1919, of a strain of Mycrobacterium bovis1. It came into widespread use during the 1950’s and 1960’s wit

Journal of the Pakistan Medical Association has agreed to receive and publish manuscripts in accordance with the principles of the following committees: