<prompt> Brazilian purpuric fever is caused by?Haemophilus haemolyticusHaemophilus aphrophilusHaemophilus aegyptiusHaemophilus parainfluenzae  <response>: Brazilian purpuric fever is caused by Haemophilus aegyptius. It is characterised by conjunctivitis which proceeds to fulminant septicemia in infants and children. There is high fatality. It was first recognized in Brazil in 1984. Ref: Ananthanarayan and Panikers Textbook of Microbiology, 9th edition, p330,331. 