Medical Definition of oriental rat flea
: a flea of the genus Xenopsylla (X. cheopis) that is widely distributed on rodents and is a vector of plague
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“Oriental rat flea.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/oriental%20rat%20flea. Accessed 3 Jul. 2022.
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