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,
Dengue fever outbreaks United States and infect populations that have not been exposed to the virus for several decades. The health risks and rapidly escalating costs to the United States of unmonitored, unvaccinated and disease carrying travelers, legal and illegal, has been recently considered. An outbreak of dengue fever was declared in Cairns, located in the tropical north of Queensland, Australia on 1 December 2008. As of 3 March 2009 there were 503 confirmed cases of dengue fever, in a residential population of 152,137. Outbreaks were subsequently declared the neighbouring cities and towns of Townsville (outbreak declared 5 January 2009), Port Douglas (6