a suspension of killed streptococcus pneumonia virus, which is the virus responsible for about 90% of all pneumococcal disease. This vaccine is recommended for individuals over the age of 2 who are at high risk of getting pneumonia.
A drug made from a killed preparation of a common pneumonia causing bacteria ( Streptococcus pneumoniae ) that stimulates a person's immune system to develop specific antibodies that can recognize and prevent subsequent infections by this group of bacteria.