2639773 EISS European Influenza Surveillance Scheme 21 2639768 EISS Exponential Injury Severity Score 4 2639771 EISS external and internal shame scale 2 2639772 EISS Early Intervention Support Services 1 2639776 EISS Early intervention surveillance strategies 1 2639770 EISS end isovolumetric systolic stress 1 2639775 EISS Epidemic Investigation Support System 1 2639774 EISS Estimated Injury Severity Score 1 2639769 EISS exponential input-to-state stability 1