Clostridioides difficile (C. difficile) is a bacterium (germ) that can spread from one person to another causing severe diarrhea (watery poop) that at its worst can lead to death. Pfizer has been studying an investigational vaccine to prevent diarrhea caused by C. difficile. To be part of this study you must be 65 years old or older and have one or more of…
Babies born prematurely frequently have difficulty breathing because of immature lung development. A substance called surfactant is usually present in mature lungs to help keep the lungs inflated normally. The treatment for breathing problems in premature infants…