<prompt> Refrigerated blood stored up to 48 hours before transfusion can destroy which of the followingHIVHepatitis BTreponema pallidumPlasmodium vivax  <response>: Treponema pallidum is killed in 1 to 3 days at 0-4degrees centigrade, so transfusion syphilis can be prevented by storing blood in the refrigerator before transfusion Stored frozen at -70deg C in 10 glycerol, or in liquid nitrogen -130 deg C, it remains ble for 10-15 years. Ref: Textbook of microbiology; Ananthanarayan and panikers; 10th edition; Pg:379 