Symptoms By Age

Exploratory Data Analysis
Sum of symptoms by Age

Counts of all symptoms in the VAERS database, according to Age.

—

Field Analysis:

What percent of the rows in the VAERS database has the Age_yrs field populated?

—

use VAERS_2019;
go

select count (age_yrs )  Cnt_Age_yrs_not_null
,  count(*)   Count
, 100.0 * count (age_yrs )  / count(*)  Percent_Not_null
from dbo.[VAERSDATA];
go

—

—

82% of all rows have the Age_yrs field populated.

—

Symptoms by Age:

First see:

Table AD_2019_AGE_YRS_ROUND

—

 

select   a.AGE_YRS_ROUND
, count (*) Count
from dbo.[VAERSDATA]  v
Join dbo.[AD_2019_AGE_YRS_ROUND] a
  on  v.vaers_id = a.vaers_id
WHERE V.AGE_YRS is NOT NULL
group by a.AGE_YRS_ROUND
order by 1
 

—

—

Analysis:

Count of All symptoms, from
All ages, all vaccines, all years (1990-early 2020)

n=2,471,083

Using the field, AGE_YRS_ROUND, ages with decimal points are rounded down or up to whole numbers.
An age of .4 is rounded down to 0.
An age of .6 is rounded up to 1.

Of all symptoms in the VAERS database:

Percentage wise, the ages with the most symptoms are:

Age 0: 8.3% (0 to .49 years)
Age 1: 9.8% (.5 to 1.49 years)

Comprising 18% of all symptoms

All other ages comprise 4% of the symptoms or less. The only ages that comprise more than 2% are:

Age 2: 3.7%
Age 4: 3.5%
Age 5: 2.7%

Age 11: 2.05%
Age 12: 2.06%

The remaining symptoms are distributed in the other ages up to 117, every age comprising less than 2% of the symptoms.

18% of all symptoms are found in ages 0 to 1.
25% of all symptoms are found in ages 0 to 4.
30% of all symptoms are found in ages 0 to 6.

Symptoms data is heavily skewed toward young babies and children.

The distribution of these results looks very similar to:
Reactions by Age