WINKLER v. HHS , No. 22-1960 (Fed. Cir. 2023)
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In 2017, Donald Winkler received a Tdap vaccination after stepping on rusted metal. Soon after, he developed symptoms of Guillain-Barré Syndrome (GBS), a type of acute monophasic peripheral neuropathy. Winkler filed a petition for relief under the National Vaccine Injury Compensation Program, asserting the Tdap vaccine caused his GBS. However, the Special Master denied his claim, and this decision was upheld by the United States Court of Federal Claims. Winkler appealed to the United States Court of Appeals for the Federal Circuit.
The appellate court affirmed the lower court's decision. The court noted that GBS is not listed as a covered condition for Tdap vaccines, so Winkler had to prove that his GBS was actually caused by the Tdap vaccination. The court applied the three-prong test set forth in Althen v. Secretary of Health and Human Services, requiring Winkler to show a medical theory causally connecting the vaccination and the injury, a logical sequence of cause and effect showing that the vaccination was the reason for the injury, and a proximate temporal relationship between vaccination and injury.
The Special Master found that Winkler had not established the second Althen prong, as he failed to provide preponderant evidence of a logical sequence of cause and effect. The court disagreed with Winkler's argument that the Special Master erred by requiring him to disprove that he suffered from a Campylobacter jejuni infection, a known trigger for GBS, stating that Winkler mischaracterized his burden of proof. The court further stated that Winkler failed to establish a prima facie case of causation of his GBS by the Tdap vaccine, not that he failed to disprove evidence of an infection. Therefore, the court affirmed the Special Master's holding that Winkler failed to prove causation of GBS by the Tdap vaccine by preponderant evidence.
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