MERIDIAN MEDICAL TECHNOLOGIES, INC. FORM 10-K JULY 31, 1999 Exhibit 23.1 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the Registration Statements (Form S-3 No. 333-18279; Form S-8 Nos. 33-46981, 33-34045, 33-26681 and 2-80908) and in the related prospectuses of Meridian Medical Technologies, Inc. or its predecessor, Survival Technology, Inc. of our report dated October 22, 1999, with respect to the consolidated financial statements and schedule of Meridian Medical Technologies, Inc. included in this Annual Report (Form 10-K) for the year ended July 31, 1999. /s/ Ernst & Young LLP Washington DC October 22, 1999