Abbreviation	Term
ARV	Anti-retroviral
CAP	Community Acquired Pneumonia
CNDSS	Canadian Notifiable Disease Surveillance System
GMC	Geometric mean concentration
GMT	Geometric mean titer
HAART	Highly active antiretroviral therapy
HSCT	Hematopoietic stem cell transplant
IM	Intramuscular
IPD	Invasive pneumococcal disease
LSPQ	Laboratoire de santé publique du Québec
MMF	Mycophenolate mofetil
NML	National Microbiology Laboratory
OPA	Opsophanocytic activity
PNEU-C-13	Pneumococcal conjugate vaccine – 13-valent
PNEU-P-23	Pneumococcal polysaccharide vaccine – 23-valent
RCT	Randomized controlled trial
SOT	Solid organ transplant
TIBDN	Toronto Invasive Bacterial Disease Network
TIV	Trivalent influenza vaccine
VE	Vaccine effectiveness