Règle correspondante
Burundi
Practice Relating to Rule 92. Mutilation and Medical, Scientific or Biological Experiments
Burundi’s Regulations on International Humanitarian Law (2007) lists “biological experiments” as a “grave breach” of IHL. 
Burundi, Règlement n° 98 sur le droit international humanitaire, Ministère de la Défense Nationale et des Anciens Combattants, Projet “Moralisation” (BDI/B-05), August 2007, Part I bis, p. 26.
Burundi’s Law on Genocide, Crimes against Humanity and War Crimes (2003) states:
[The following are] considered as war crimes:
B. Other serious violations of the laws and customs applicable in international armed conflicts, within the established framework of international law, namely, any of the following acts:
j) subjecting persons who are in the power of an adverse party to physical mutilation or to medical or scientific experiments of any kind which are neither justified by the medical, dental or hospital treatment of the person concerned nor carried out in his or her interest, and which cause death to or seriously endanger the health of such person or persons;
C. In the case of an armed conflict not of an international character, serious violations of Article 3 common to the four Geneva Conventions of 12 August 1949, namely, any of the following acts committed against persons taking no direct part in hostilities, including members of armed forces who have laid down their arms and persons placed hors de combat by sickness, wounds, detention or any other cause:
a) violence to life and person, in particular … mutilation …
D. Other serious violations of the laws and customs applicable in armed conflicts not of an international character, within the established framework of international law, namely, any of the following acts:
k) subjecting persons who are in the power of another party to the conflict to physical mutilation or to medical or scientific experiments of any kind which are neither justified by the medical, dental or hospital treatment of the person concerned nor carried out in his or her interest, and which cause death to or seriously endanger the health of such person or persons. 
Burundi, Law on Genocide, Crimes against Humanity and War Crimes, 2003, Article 4(B)(j), (C)(a) and (D)(k).
Burundi’s Penal Code (2009) states:
“War crimes” means crimes which are committed as part of a plan or policy or as part of a large-scale commission of such crimes, in particular:
1. Any of the following grave breaches of the 1949 Geneva Conventions … :
2°. Torture or inhuman treatment, including biological experiments;
2. Other serious violations of the laws and customs applicable in international armed conflict, within the established framework of international law, namely, any of the following acts:
10°. Subjecting persons who are in the power of an adverse party to physical mutilation or to medical or scientific experiments of any kind which are neither justified by the medical, dental or hospital treatment of the person concerned nor carried out in his or her interest, and which cause death to or seriously endanger the health of such person or persons;
3. In the case of an armed conflict not of an international character, serious violations of article 3 common to the four 1949 Geneva Conventions … , namely, any of the following acts committed against persons taking no active part in the hostilities, including members of armed forces who have laid down their arms and those placed hors de combat by sickness, wounds, detention or any other cause:
1°. Violence to life and person, in particular … mutilation …
5. Other serious violations of the laws and customs applicable in armed conflicts not of an international character, within the established framework of international law, namely, any of the following acts:
11°. Subjecting persons who are in the power of another party to the conflict to physical mutilation or to medical or scientific experiments of any kind which are neither justified by the medical, dental or hospital treatment of the person concerned nor carried out in his or her interest, and which cause death to or seriously endanger the health of such person or persons. 
Burundi, Penal Code, 2009, Article 198(1)(2°), (2)(10°), (3)(1°) and (5)(11°).