%0 Journal Article %T Case report on a defective antibody response against pneumococcal serotype 9V in a patient with a single episode of pneumonia %A Bob Meek %A Diana van Kessel %A Ger Rijkers %A Heleen van Velzen-Blad %A Jan Grutters %A Suzan van Mens %A Thijs Hoffman %J Archive of "Pneumonia". %D 2017 %R 10.1186/s41479-017-0040-3 %X a Chest X-ray at time of presentation at the emergency department showing a large right-sided lobar infiltrate. b Chest X-ray at the outpatient department taken 42 days after initial presentation showing almost complete resolution of the infiltrat %K Community-acquired pneumonia %K Streptococcus Pneumoniae %K Antibody deficiency %K Vaccination %K Polysaccharide vaccine %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5671648/