Community acquired pneumonia (CAP) plus other infections attributable to the Pneumococcus bacteria account for 15 million infections per year including pneumonia, meningitis and bronchitis. The organism is the leading cause of death in children less than five years old. Over the last 30 years pharmaceutical companies have developed Pneumovax 23 which covers 23 unique bacteria that cause CAP in adults and Prevnair 13 which covers 13 pneumococcal bacterial strains. Twelve of the bacteria in Prevnair 13 are identical to the Pneumovax 23 with only one unique bacterial type included.
A group at the State University of New York at Buffalo led by Blaine Pfeifer, specializing in chemical and bacterial engineering; has developed a new approach to pneumococcal vaccination. Working with computer modeling and animals to this point, they have developed a successful vaccine that attacks pathogenic pneumococcal bacteria while leaving the beneficial and non-pathogenic subtypes alone. The vaccine reads proteins on the surface of the bacterial cells and destroys only those that show aggressive activity. The vaccine has been 100% effective against the 12 most virulent pneumococcal bacterial strains existing in animal studies. The vaccine is being prepared for human testing in the near future. The preliminary work was discussed in the medical magazine Medical Economics
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