Story perspectives

VA Study: COVID Shot Slashes Heart Events 38%

6/16/2026

39 6

Summary

Story summary

The VA health system found the 2024–2025 COVID-19 vaccine cut major adverse cardiovascular events by 38 percent.
Researchers examined 1,039,659 VA patients who received a flu shot between September 3 and December 31, 2024, and compared outcomes after eight months.
The flu-COVID group (349,085) had a MACE rate of about 3 per 10,000 versus 5 per 10,000 in the flu-only group (690,574), with the strongest benefit for patients 75 and older or with underlying conditions.

1 of 1

Story summary

The VA health system found the 2024–2025 COVID-19 vaccine cut major adverse cardiovascular events by 38 percent.
Researchers examined 1,039,659 VA patients who received a flu shot between September 3 and December 31, 2024, and compared outcomes after eight months.
The flu-COVID group (349,085) had a MACE rate of about 3 per 10,000 versus 5 per 10,000 in the flu-only group (690,574), with the strongest benefit for patients 75 and older or with underlying conditions.