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.
#1255 most reported symptom for this vaccine
Thyroid mass has been reported 251 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, 5 mentioned death (1.99%) and 75 involved hospitalization (29.9%).
Thyroid mass is the #1255 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 251 reports of Thyroid mass 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), Thyroid mass appears in only 0.0% of reports.
The mortality rate of 1.99% warrants monitoring, though VAERS deaths represent temporal associations, not confirmed causal links.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.