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Peru
Practice Relating to Rule 87. Humane Treatment
Section C. Wounded and sick
Peru’s IHL Manual (2004) states:
All the wounded [and] sick … must be treated humanely in all circumstances.
All these categories of people are protected under international humanitarian law. Medical personnel assigned to provide assistance to them must, in all circumstances, treat them humanely, as best they can and in accordance with the dictates of their conscience. 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 84.d.
The manual also states with regard to the provision of medical services:
It is also important to note that, in certain cases, deliberate omission and serious negligence are also considered to be violations of international humanitarian law, for example, abandoning people without assisting them, when their condition makes such assistance vital, or deliberately exposing the wounded or sick to infection or contagion.
Lastly, medical personnel must refrain from subjecting protected persons to affronts and insults to their dignity, humiliating or degrading treatment and exposure to public curiosity.
They must also ensure that protected persons are not subjected to any form of intimidation. 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 83.a.
The manual contains a similar provision with respect to situations of non-international armed conflict: “Persons taking no active part in the hostilities, including … those placed hors de combat by sickness [or] wounds … shall in all circumstances be treated humanely”. 
Peru, Manual de Derecho Internacional Humanitario para las Fuerzas Armadas, Resolución Ministerial Nº 1394-2004-DE/CCFFAA/CDIH-FFAA, Lima, 1 December 2004, § 71.a.
Peru’s IHL and Human Rights Manual (2010) states:
The wounded [and] sick … and all those placed hors de combat or taking no direct part in the conflict must be treated humanely in all circumstances.
All these categories of people are protected under international humanitarian law. Medical personnel assigned to provide assistance to them must, in all circumstances, treat them humanely, as best as they can and in accordance with the dictates of their conscience. 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 74(a), pp. 271–272.
The manual also states with regard to the provision of medical services:
It is also important to note that, in certain cases, deliberate omission and serious negligence are also considered to be violations of international humanitarian law, for example, abandoning people without assisting them, when their condition makes such assistance vital, or deliberately exposing the wounded or sick to infection or contagion.
Lastly, medical personnel … must also ensure that protected persons are not subjected to any form of intimidation. 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 75(c), p. 274.
The manual also states with respect to situations of non-international armed conflict: “Persons not directly participating in hostilities, including … persons placed hors de combat by sickness [or] wounds … shall in all circumstances be treated humanely.” 
Peru, Manual de Derecho Internacional Humanitario y Derechos Humanos para las Fuerzas Armadas, Resolución Ministerial No. 049-2010/DE/VPD, Lima, 21 May 2010, § 72(a), p. 270.
Peru’s Decree on the Use of Force by the Armed Forces (2010) states that “persons placed hors de combat by illness [or] wounds … must in all circumstances be treated humanely”. 
Peru, Decree on the Use of Force by the Armed Forces, 2010, Article 8.2.1.