The family of Diane Spears, an Oxford woman who may represent an extremely rare case of a COVID-19 vaccine fatality, still awaits a response from the Countermeasures Injury Compensation Program (CICP). The injury claim was submitted five months ago, writers Ken Alltucker for USA Today.

Hours after receiving the single-shot Johnson & Johnson vaccine in March, Spears, 68, had a blood-clot-induced stroke. She died April 6.

Prior to the vaccine, she did not have a known heart condition or previous stroke. Her husband, James, believes she developed blood clots and suffered a stroke as a result of the shot.

Such cases are extremely rare.

So far, out of more than 423 million doses of COVID-19 vaccines administered in the U.S. through Nov. 1, reports of death remain at just 0.0022 percent.

In July, the family’s attorney submitted a claim with CICP. The family, however, faces an uphill battle getting a favorable decision, as the federal program rejects the majority of claims it receives.

Currently, Spears’s claim is one of 1,357 that allege injuries or deaths from COVID-19 vaccines.

Read more about Diane Spears in USA Today.