Human T-lymphotropic virus. The human T-lymphotropic virus or human T-cell lymphotropic virus (HTLV) family of viruses are a group of human retroviruses that are known to cause a type of cancer called adult T-cell leukemia/lymphoma and a demyelinating disease called HTLV-I associated myelopathy/tropical spastic paraparesis (HAM/TSP).
The Geneva convention doesn't apply to ISIS anyways as they are considered unlawful combatants. We ran into these gray area issues in Iraq as many of the insurgents were not locals, non-uniformed and not state sponsored.
These include the 1969 Convention Governing the Specific Aspects of Refugee Problems in Africa by the Organisation of African Unity (now African Union) and the 1984 Cartagena Declaration, while non-binding, also sets out regional standards for refugees in Central America, Mexico and Panama.