Health in the Democratic Republic of the Congo use is widely accepted if the cost of the vaccine is free. However, the limited supply of OCV can be expensive (approximately $3.70 USD), limiting its widespread use. A final preventive measure to assist in prevention, controlling and treating cholera would be the use of a national database such as IDSR//International Health Regulation. The database would allow the countries to communicate and collaborate on outbreaks, treatment, and preventive measures. This would assist in eliminating or reducing cross-border transmission outbreaks. There have been 10 outbreaks of the Ebola virus disease in the Democratic Republic of the Congo. Additionally, hemorrhagic fever, polio,
Smallpox vaccine his daughter, formed from the needle shaped to form an "O". This represented "Target Zero", the objective of the campaign. Smallpox was eradicated by a massive international search for outbreaks, backed up with a vaccination program, starting in 1967. It was organised and co-ordinated by a World Health Organization (WHO) unit, set up and headed by Donald Henderson. The last case in the Americas occurred in 1971 (Brazil), south-east Asia (Indonesia) in 1972, and on the Indian subcontinent in 1975 (Bangladesh). After two years of intensive searches, what proved to be the last endemic case anywhere in the world occurred