Here is where you can find documentation on ESP VAERS. 

Materials for Clinicians

Clinical Guide For Practice Managers and Clinicians including FAQ 

ESP VAERS slide deck for conferences and presentations

ESP VAERS short slide deck for clinical sites

ESP Download and Technical Information

ESP Source Code at gitlab

VAERS 2.0 HL7 2.3.1 Messaging Update Documentation

ESP VAERS 2 MDM_T02 specification

ESP Filespec v1.5

How To Install and Configure ESP on Ubuntu 18.04

Technical Guide to Implement ESP VAERS

ESP VAERS Algorithm

ESP_VAERS Algorithm_v2.6_2019-09-19.docx

ICD10 code exclusions and inclusions 2019-09-24.xlsx

Helpful Information

Vaccine Adverse Event Reporting System home page home page

ESP Implementation Materials - most of these materials were developed to support the Massachusetts Department of Public Health in electronic notifiable disease case reporting but the documents on setting up ESP are general