Although pneumococcal polysaccharide vaccine is a standard preventive intervention — and serves as a "quality indicator" in some settings — controversy over its effectiveness simmers in the ...
Two types of pneumococcal vaccine are available. The 23-valent pneumococcal polysaccharide vaccine (PPV23) is used in adults and children >2 years of age. By contrast, pneumococcal conjugate ...
Before the invention of the polio vaccine, the iron lung supported patients whose lungs were weakened or paralyzed by polio. This is its impact today.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback