Abstract

Infectious diseases are among the most prominent challenges facing the world today, as they leave harmful effects on public health, whether internally or across borders, and cause deaths since the beginning of human history. The world has witnessed many crises caused by these diseases in the past, which necessitated Uniting international efforts to combat these diseases, whether current or future, and despite the fact that the international custom is a source of international health measures in this regard, international agreements are the main historical source for combating infectious diseases, so several agreements have emerged after several conferences were held initially From the year 1851, which witnessed the first conference To combat infectious diseases, then international agreements came after, until that they culminated in the issuance of the International Health Regulations in 2005 after being subject to the amendments.low or middle income countries among the countries most affected by infectious diseases and their different health and economic effects. Therefore, international health documents give these countries special attention by providing assistance in diagnosis and treatment.