Kirby v. Secretary of Health & Human Services, No. 20-2064 (Fed. Cir. 2021)
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Kirby received a flu shot in her arm on October 8, 2013. One week later, she complained of persistent arm pain, numbness, and tingling that began immediately after the injection. On October 16, Dr. Henry diagnosed Kirby with radial neuritis and complications due to vaccination. Two weeks later, Kirby reported that her wrist and hand had become “very weak.” On November 12, Kirby began working with a physical therapist. Her physical therapy discharge summary reported that Kirby’s pain was a “0/10,” she had regained full muscle strength except in right thumb extension, and her numbness had decreased by 80%. On December 12, Kirby reported mild right arm pain in the morning, almost normal strength, and occasional tingling, but no numbness in her thumb. Dr. Henry determined she had achieved maximum medical improvement.
Kirby visited a nurse practitioner five times in January 2014-July 2015, for reasons unrelated to her vaccine injury and generally reported “feeling fine.” On October 13, 2015, she complained of mild, intermittent pain in her right arm. She had no imitations due to the pain, and no muscle weakness.
The Federal Circuit reinstated Kirby’s compensation award under the Vaccine Act, 42 U.S.C. 300aa–1. A finding that Kirby’s vaccine injury lasted more than six months was not arbitrary. A reasonable fact-finder could conclude that Kirby’s testimony is not inconsistent with her medical records from January 2014 through July 2015. The court also rejected an argument concerning causation.
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