<prompt> Answer this question truthfullyWhat is the most common cause of C-MOPS Conjunctivitis, Meningitis, Otitis media, Pneumonia, and Sinusitis and what are the different manifestations of this condition?  <response>: <reason> The most common cause of C-MOPS is Streptococcus pneumonia. This condition can present as Conjunctivitis redness and discharge, Meningitis fever, chills, headache, neck stiffness, Otitis media ear pain, Pneumonia fever, cough, chills, and Sinusitis nasal discharge, sinus tenderness. 