What is the history of the IHR?
The cholera epidemics that overran Europe between 1830 and 1847 were catalysts for intensive infectious disease diplomacy and multilateral cooperation in public health. This led to the first International Sanitary Conference in Paris in 1851. In 1948, the WHO Constitution entered into force and in 1951 WHO Member States adopted the International Sanitary Regulations, which were replaced by and renamed the International Health Regulations in 1969. The 1969 Regulations were subject to minor modifications in 1973 and 1981. The IHR (1969) were primarily intended to monitor and control six serious infectious diseases: cholera, plague, yellow fever, smallpox, relapsing fever and typhus. Under the IHR (1969), only cholera, plague and yellow fever remain notifiable, meaning that States are required to notify WHO if and when these diseases occur on their territory. In the early 1990s, the resurgence of some well known epidemic diseases, such as cholera in parts of South America, plague in India