Portuguese Angola Portuguese protectorate by the 1885 Treaty of Simulambuco. Sometime during the 1920s, it became incorporated into the larger colony (later the overseas province) of Portuguese Angola. The two colonies had initially been contiguous, but later became geographically separated by a narrow corridor of land, which Portugal ceded to Belgium allowing Belgian Congo access to the Atlantic Ocean. Following the decolonisation of Portuguese Angola with the 1975 Alvor Agreement, the short-lived Republic of Cabinda unilaterally declared its independence. However, Cabinda was soon overpowered and re-annexed by the newly proclaimed People's Republic of Angola and never achieved international recognition. Portuguese explorers and
Health in Angola vaccination against polio and vitamin A supplementation. Angola has a large HIV/AIDS infected population. The Joint United Nations Programme on HIV/AIDS (UNAIDS) estimated adult prevalence at the end of 2003 at 3.9% – over 420,000 infected people. Angola's 27-year civil war (1975–2002), deterred the spread of HIV by making large portions of the country inaccessible. Angola was thus cut off from most contact with neighboring countries that had higher HIV infection rates. With the end of the war, transportation routes and communication are reopening, therefore enabling a greater potential for the spread of HIV/AIDS. Current statistics indicate that the border