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.
#806 most reported symptom for this vaccine
Mononucleosis heterophile test positive has been reported 12 times in association with Meningococcal Conjugate (Menactra) vaccination in VAERS. This represents 0.0% of all 36,149 reports for this vaccine.
Among these reports, 1 mentioned death (8.33%) and 7 involved hospitalization (58.3%).
Mononucleosis heterophile test positive is the #806 most frequently reported symptom for Meningococcal Conjugate (Menactra) out of 1843 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 12 reports of Mononucleosis heterophile test positive after Meningococcal Conjugate (Menactra) vaccination may seem alarming, but context is critical.
The 8.33% 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.