PPSV
PPSV stands for Pneumococcal Polysaccharide Vaccine. It is a vaccine that protects against pneumococcal disease, which is caused by the bacterium Streptococcus pneumoniae. This bacterium can cause serious infections such as pneumonia, meningitis, and bacteremia. PPSV23 is the most common formulation and contains 23 different types of pneumococcal bacteria that are responsible for most cases of pneumococcal disease in adults.
The vaccine works by stimulating the immune system to produce antibodies against these specific types of bacteria.
The vaccine is administered as an injection, usually in the upper arm. Like most vaccines, PPSV23 can