small rodents traveling with foodstuffs and other transported goodsthe use of shared medicinecontaminated water suppliesrabid dog bitesWhat was the principal means of the plague’s spread?Elon.io is an online learning platformWe have an entire course teaching World History 1 grammar and vocabulary.Start learning World History 1 nowYour questions are stored by us to improve Elon.ioYou've reached your AI usage limitSign up to increase your limit.