Why mosquito can not transimit HIV/AIDS?

Especialy how mosquito can transmit malaria but not HIV,actualy perplex my mind. or:Especialy how mosquito can transmit malaria but not HIV,actualy pe

Especialy how mosquito can transmit malaria but not HIV,actualy perplex my mind.

or:Especialy how mosquito can transmit malaria but not HIV,actualy perplex my mind.

or:HIV can be transmitted to sexual intercourse and accidentally prick needles from the victim and malaria can be transmitted to mosquito bites. Malaria can be more prone in swamp areas.

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