<prompt> All of the following are true about OPSI oppounistic post-splenectomy infection ExceptDevelop 1-5 year after splenectomyMax risk is within 1 yr of splenectomyBegin with headache, myalgia, feverMay present with severe septic shock  <response>: Common in first two years after splenectomy but can occur at any time, risk persists for the lifetime. Reference: SRB 5 th edition page no.677 