<prompt> Salmonellosis is most common inSickle cell anemiaThalassemiaHemophiliaCystic fibrosis  <response>: child with sickle cell disease are more prone to infection by H.influenzae, S.pneumoniae, salmonella,M.pneumoniae, E.coli,S.aureus. Reference : Ghai essential of pediatrics, eighth edition, p.no:345 