No notice shall be given, and no body delivered, under the provisions of § 19a-270, in the case of a person dying of Asiatic cholera, yellow fever, scarlet fever, typhus fever, smallpox, diphtheria, membranous croup or measles; nor shall the body of any person known to any such officer to have relatives, either by blood or marriage, be delivered without their consent; nor shall the body of any person detained on civil process or for trial for any criminal offense, or of any traveler or stranger other than a tramp or vagrant, or of a person who is known to have expressed a desire that his body should be buried, be so delivered. The body of any person so delivered, if subsequently claimed by any relative or friend for burial, shall be given up to him for that purpose.