POWER OF ATTORNEY


               KNOW ALL MEN BY THESE PRESENTS that the undersigned
          constitutes and appoints Steven C. Ramsey his true and lawful
          attorney-in-fact and agent, with full power of substitution and
          resubstitution, for him and in his name, place and stead, in any
          and all capacities, to sign the Annual Report on Form 10-K of
          International Murex Technologies Corporation, a British Columbia
          corporation, for the year ended December 31, 1997, any or all
          amendments and supplements, to file the same, with all exhibits
          thereto, and other documents in connection therewith, with the
          Securities and Exchange Commission and the Nasdaq National Market
          System, granting unto said attorney-in-fact and agent full power
          and authority to do and perform each and every act and thing
          requisite and necessary to be done in and about the premises, as
          fully to all intents and purposes as he might or could do in
          person, hereby ratifying and confirming all that said attorney-
          in-fact and agent or his substitute or substitutes may lawfully
          do or cause to be done by virtue hereof.

               DATED March 9, 1998
                          ----


                                        /s/ C. Robert Cusick
                                        -----------------------------
                                             C. Robert Cusick

     <PAGE>


                                  POWER OF ATTORNEY


               KNOW ALL MEN BY THESE PRESENTS that the undersigned
          constitutes and appoints Steven C. Ramsey his true and lawful
          attorney-in-fact and agent, with full power of substitution and
          resubstitution, for him and in his name, place and stead, in any
          and all capacities, to sign the Annual Report on Form 10-K of
          International Murex Technologies Corporation, a British Columbia
          corporation, for the year ended December 31, 1997, any or all
          amendments and supplements, to file the same, with all exhibits
          thereto, and other documents in connection therewith, with the
          Securities and Exchange Commission and the Nasdaq National Market
          System, granting unto said attorney-in-fact and agent full power
          and authority to do and perform each and every act and thing
          requisite and necessary to be done in and about the premises, as
          fully to all intents and purposes as he might or could do in
          person, hereby ratifying and confirming all that said attorney-
          in-fact and agent or his substitute or substitutes may lawfully
          do or cause to be done by virtue hereof.

               DATED March 9, 1998
                          ----  




                                    /s/ F. Michael P. Warren
                                   ---------------------------------
                                        F. Michael P. Warren

     <PAGE>


                                  POWER OF ATTORNEY


               KNOW ALL MEN BY THESE PRESENTS that the undersigned
          constitutes and appoints Steven C. Ramsey his true and lawful
          attorney-in-fact and agent, with full power of substitution and
          resubstitution, for him and in his name, place and stead, in any
          and all capacities, to sign the Annual Report on Form 10-K of
          International Murex Technologies Corporation, a British Columbia
          corporation, for the year ended December 31, 1997, any or all
          amendments and supplements, to file the same, with all exhibits
          thereto, and other documents in connection therewith, with the
          Securities and Exchange Commission and the Nasdaq National Market
          System, granting unto said attorney-in-fact and agent full power
          and authority to do and perform each and every act and thing
          requisite and necessary to be done in and about the premises, as
          fully to all intents and purposes as he might or could do in
          person, hereby ratifying and confirming all that said attorney-
          in-fact and agent or his substitute or substitutes may lawfully
          do or cause to be done by virtue hereof.

               DATED March 9, 1998
                          ----



                                    /s/ J. Trevor Eyton
                                   --------------------------------
                                        J. Trevor Eyton

     <PAGE>


                                  POWER OF ATTORNEY


               KNOW ALL MEN BY THESE PRESENTS that the undersigned
          constitutes and appoints Steven C. Ramsey his true and lawful
          attorney-in-fact and agent, with full power of substitution and
          resubstitution, for him and in his name, place and stead, in any
          and all capacities, to sign the Annual Report on Form 10-K of
          International Murex Technologies Corporation, a British Columbia
          corporation, for the year ended December 31, 1997, any or all
          amendments and supplements, to file the same, with all exhibits
          thereto, and other documents in connection therewith, with the
          Securities and Exchange Commission and the Nasdaq National Market
          System, granting unto said attorney-in-fact and agent full power
          and authority to do and perform each and every act and thing
          requisite and necessary to be done in and about the premises, as
          fully to all intents and purposes as he might or could do in
          person, hereby ratifying and confirming all that said attorney-
          in-fact and agent or his substitute or substitutes may lawfully
          do or cause to be done by virtue hereof.

               DATED March 9, 1998
                          ----




                                    /s/ Thomas L. Gavin
                                   --------------------------------
                                        Thomas L. Gavan

     <PAGE>

                                  POWER OF ATTORNEY


               KNOW ALL MEN BY THESE PRESENTS that the undersigned
          constitutes and appoints Steven C. Ramsey his true and lawful
          attorney-in-fact and agent, with full power of substitution and
          resubstitution, for him and in his name, place and stead, in any
          and all capacities, to sign the Annual Report on Form 10-K of
          International Murex Technologies Corporation, a British Columbia
          corporation, for the year ended December 31, 1997, any or all
          amendments and supplements, to file the same, with all exhibits
          thereto, and other documents in connection therewith, with the
          Securities and Exchange Commission and the Nasdaq National Market
          System, granting unto said attorney-in-fact and agent full power
          and authority to do and perform each and every act and thing
          requisite and necessary to be done in and about the premises, as
          fully to all intents and purposes as he might or could do in
          person, hereby ratifying and confirming all that said attorney-
          in-fact and agent or his substitute or substitutes may lawfully
          do or cause to be done by virtue hereof.

               DATED March 9, 1998
                          ----



                                    /s/ Norbert J. Gilmore
                                   --------------------------------
                                        Norbert J. Gilmore

     <PAGE>


                                  POWER OF ATTORNEY


               KNOW ALL MEN BY THESE PRESENTS that the undersigned
          constitutes and appoints Steven C. Ramsey his true and lawful
          attorney-in-fact and agent, with full power of substitution and
          resubstitution, for him and in his name, place and stead, in any
          and all capacities, to sign the Annual Report on Form 10-K of
          International Murex Technologies Corporation, a British Columbia
          corporation, for the year ended December 31, 1997, any or all
          amendments and supplements, to file the same, with all exhibits
          thereto, and other documents in connection therewith, with the
          Securities and Exchange Commission and the Nasdaq National Market
          System, granting unto said attorney-in-fact and agent full power
          and authority to do and perform each and every act and thing
          requisite and necessary to be done in and about the premises, as
          fully to all intents and purposes as he might or could do in
          person, hereby ratifying and confirming all that said attorney-
          in-fact and agent or his substitute or substitutes may lawfully
          do or cause to be done by virtue hereof.

               DATED March 9, 1998
                          ----


                                        /s/ Hartland M. MacDougall
                                        -----------------------------
                                             Hartland M. MacDougall


     <PAGE>

                                  POWER OF ATTORNEY


               KNOW ALL MEN BY THESE PRESENTS that the undersigned
          constitutes and appoints Steven C. Ramsey his true and lawful
          attorney-in-fact and agent, with full power of substitution and
          resubstitution, for him and in his name, place and stead, in any
          and all capacities, to sign the Annual Report on Form 10-K of
          International Murex Technologies Corporation, a British Columbia
          corporation, for the year ended December 31, 1997, any or all
          amendments and supplements, to file the same, with all exhibits
          thereto, and other documents in connection therewith, with the
          Securities and Exchange Commission and the Nasdaq National Market
          System, granting unto said attorney-in-fact and agent full power
          and authority to do and perform each and every act and thing
          requisite and necessary to be done in and about the premises, as
          fully to all intents and purposes as he might or could do in
          person, hereby ratifying and confirming all that said attorney-
          in-fact and agent or his substitute or substitutes may lawfully
          do or cause to be done by virtue hereof.

               DATED March 9, 1998
                          ----  




                                    /s/ Jay A. Lefton
                                   ---------------------------------
                                        Jay A. Lefton

     <PAGE>

                                  POWER OF ATTORNEY


               KNOW ALL MEN BY THESE PRESENTS that the undersigned
          constitutes and appoints Steven C. Ramsey his true and lawful
          attorney-in-fact and agent, with full power of substitution and
          resubstitution, for him and in his name, place and stead, in any
          and all capacities, to sign the Annual Report on Form 10-K of
          International Murex Technologies Corporation, a British Columbia
          corporation, for the year ended December 31, 1997, any or all
          amendments and supplements, to file the same, with all exhibits
          thereto, and other documents in connection therewith, with the
          Securities and Exchange Commission and the Nasdaq National Market
          System, granting unto said attorney-in-fact and agent full power
          and authority to do and perform each and every act and thing
          requisite and necessary to be done in and about the premises, as
          fully to all intents and purposes as he might or could do in
          person, hereby ratifying and confirming all that said attorney-
          in-fact and agent or his substitute or substitutes may lawfully
          do or cause to be done by virtue hereof.

               DATED March 9, 1998
                          ----



                                    /s/ Stanley E. Read
                                   --------------------------------
                                        Stanley E. Read


     <PAGE>

                                  POWER OF ATTORNEY


               KNOW ALL MEN BY THESE PRESENTS that the undersigned
          constitutes and appoints Steven C. Ramsey his true and lawful
          attorney-in-fact and agent, with full power of substitution and
          resubstitution, for him and in his name, place and stead, in any
          and all capacities, to sign the Annual Report on Form 10-K of
          International Murex Technologies Corporation, a British Columbia
          corporation, for the year ended December 31, 1997, any or all
          amendments and supplements, to file the same, with all exhibits
          thereto, and other documents in connection therewith, with the
          Securities and Exchange Commission and the Nasdaq National Market
          System, granting unto said attorney-in-fact and agent full power
          and authority to do and perform each and every act and thing
          requisite and necessary to be done in and about the premises, as
          fully to all intents and purposes as he might or could do in
          person, hereby ratifying and confirming all that said attorney-
          in-fact and agent or his substitute or substitutes may lawfully
          do or cause to be done by virtue hereof.

               DATED March 9, 1998
                          ----




                                    /s/ Victor A. Rice
                                   --------------------------------
                                        Victor A. Rice