Rat flea transmits all the following except -
Plague
Salmonellosis
Hymenolopsis
Endemic typhus
Rat flea transmits disease by biting, mechanical transmission and by faeces. They transmit Plague, Endemic or murine typhus, Chiggerosis Hymenolepis diminuta. Park's Textbook of Preventive and Social Medicine, 25th edition, Page No. 838
Environment and health