
CHR Tests Pfizer Vaccine to Protect Older Adults
CHR is enrolling people age 65 and older for the BEETHOVEN clinical trial, sponsored by Pfizer. The trial is testing a new vaccine to protect older adults against C. diff, a leading cause of hospital infections. Pfizer plans to enroll more than 30,000 adults in the U.S., Argentina, the U.K., and Japan.
March 11, 2026
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