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.
#2018 most reported symptom for this vaccine
Natural killer cell count has been reported 4 times in association with Hepatitis B (Engerix-B) vaccination in VAERS. This represents 0.0% of all 73,280 reports for this vaccine.
Among these reports, 0 mentioned death (0.00%) and 4 involved hospitalization (100.0%).
Natural killer cell count is the #2018 most frequently reported symptom for Hepatitis B (Engerix-B) out of 2382 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 4 reports of Natural killer cell count after Hepatitis B (Engerix-B) 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.