Exploratory Data Analysis
Count of all Reactions, by Vaccine/VAX
How many vaccines did the patient take before any reactions?
Reactions by Vaccine Count:
use VAERS_2019 go Select convert ( int, VAX_CNT ) VAX_CNT , COUNT(*) Count FROM dbo.[VAERSDATA] group by convert ( int, VAX_CNT ) order by 1 go
|VAX_CNT||Count||Percent Weight||PCT Running Total|
There is one odd row listing zero vaccines.
PRIOR_VAX: ~ ()~~~In patient
Developed paralysis and subsequently hospitalized. Diagnosed with transverse meylitis.
Looks like another data entry/clerical error
Of all the entries in the VAERS database:
71% of all reactions occurred after only 1 vaccine
84.7% of all reactions occurred after 2 vaccines or less
93.7% of all reactions occurred after 3 vaccines or less
98.7% of all reactions occurred after 4 vaccines or less