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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Vectors for Plague transmission
assistant
The correct answer is  The commonest and the most efficient vector of plague is the rat flea , X. cheopis, but other fleas may also transmit the infection, e.g., X. astia, X. brasiliensis and Pulex irritans(human flea). Both sexes of the flea bite and transmit the disease. Ref: Pg No:320;park Textbook ,25th Edition