A 23 serotype pneumococcal antibody panel was obtained, which revealed low levels of all but two serotypes tested (types 3 and 18C). However, her last pneumococcal vaccine was 12 years prior.; Literature Report. This literature marketed report has been received from the authors of a published literature article, titled as stated above and refers to a female patient of unknown age. Her concurrent conditions, medical history and concomitant therapies were not provided. On an unknown date, she was vaccinated with pneumococcal 23v polysaccharide vaccine (manufacturer unknown) (dose, route of administration, lot # and expiration date were not provided), for prophylaxis. It was reported that her last pneumococcal vaccination was 12 years ago. On an unknown date, reported as 12 years later, A 23 serotype pneumococcal antibody panel was obtained, which revealed low levels of all but two serotypes tested (types 3 and 18C). The outcome of the event was not provided. The authors of the article considered low levels of antibodies as related to pneumococcal 23v polysaccharide vaccine (manufacturer unknown). A copy of the published article is attached as further documentation of the patient’s experience. Lot # is being requested and will be submitted if received.