Comparison of EvidenceOfHarm traffic and VAERS autism reporting

17 Jul

This will be a quick post. The following is a graph (obtained from compete.com last month) of the EvidenceOfHarm.com traffic pattern from May, 2007 to May, 2008. Click for a bigger version.

The effect of a couple of well known events over the last year is clear in the graph. Traffic spikes up on the same month or a month after the event; then it returns to baseline after a relatively short period of time. Note also that the Hannah Poling event was apparently more important that the McCarthy event.

I also collected the number of VAERS reports that have “autism” listed in the Symptoms field submitted every month from May, 2007 to May, 2008. You can see a time series of this data in the following figure.

My interpretation of this? The majority of VAERS reports related to autism are driven by publicity rather than unequivocal occurrences of vaccine injury. Of course, other interpretations are possible.

2 Responses to “Comparison of EvidenceOfHarm traffic and VAERS autism reporting”

  1. Sullivan July 17, 2008 at 21:59 #

    There are also spikes to the AAP’s website for those events. Those spikes were 50,000 or more people per month.

  2. Joseph July 17, 2008 at 23:32 #

    And there’s similar behavior in the GR traffic pattern as well.

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