<prompt> A child with an obvious rash presents with recurrent infections. The investigation revealed decreased platelet count and reduced IgM. Which of the following is the most likely diagnosisIdiopathic Thrombocytopenic PurpuraThrombotic Thrombocytopenic PurpuraWiskottAldrich SyndromeDi George anomaly  <response>: The classical triad of rash, thrombocytopenia and recurrent infection immunodeficiency; -IgM suggest a diagnosis of Wiskott-Aldrich Syndrome. 