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.
#832 most reported symptom for this vaccine
Ultrasound antenatal screen abnormal has been reported 19 times in association with Influenza, Seasonal (Flulaval Quadrivalent) vaccination in VAERS. This represents 0.0% of all 52,111 reports for this vaccine.
Among these reports, 0 mentioned death (0.00%) and 3 involved hospitalization (15.8%).
Ultrasound antenatal screen abnormal is the #832 most frequently reported symptom for Influenza, Seasonal (Flulaval Quadrivalent) out of 2354 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 19 reports of Ultrasound antenatal screen abnormal after Influenza, Seasonal (Flulaval Quadrivalent) vaccination may seem alarming, but context is critical.
The mortality rate among these reports is very low at 0.00%, suggesting most cases are non-fatal.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.