Important: VAERS reports alone cannot determine if a vaccine caused an adverse event. Reports may contain incomplete, inaccurate, or unverified information. Correlation does not equal causation.
#1367 most reported symptom for this vaccine
Bundle branch block left has been reported 218 times in association with COVID-19 Vaccine vaccination in VAERS. This represents 0.0% of all 1,121,388 reports for this vaccine.
Among these reports, 13 mentioned death (5.96%) and 129 involved hospitalization (59.2%).
Bundle branch block left is the #1367 most frequently reported symptom for COVID-19 Vaccine out of 9223 total symptoms.
Disclaimer: VAERS reports describe events that occurred after vaccination but do not establish that the vaccine caused the event. Many reported symptoms may be coincidental or related to underlying conditions.
Seeing 218 reports of Bundle branch block left after COVID-19 Vaccine vaccination may seem alarming, but context is critical. With 1,121,388 total reports for this vaccine (representing many millions of doses), Bundle branch block left appears in only 0.0% of reports.
The 5.96% mortality rate among these reports is elevated, but this reflects the severity of the condition itself rather than vaccine causation.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.