What is Epidemiology of HIV/AIDS?
[[AIDS|HIV]] (Human Immunodeficiency Virus), the virus caused by [[AIDS virus|AIDS]] (Acquired Immunodeficiency Syndrome) and is one of the most serious public health challenges in the world. However, the world is committed to preventing new HIV infections and ensuring that everyone living with HIV has access to HIV treatment. In 2019, an estimated 170 million people worldwide are infected with HIV, since 2010, the number of new HIV infections fell by 23%. For example, in one year, this is different from the number of people diagnosed with HIV in one year. Worldwide, about 81 percent of people living with HIV know their HIV status in 2019. The remaining 19% (about 710 million people) still need access to HIV testing services. Important way HIV testing is the gateway to HIV prevention, treatment, care and support services. [[File:People_living_with_HIV_AIDS_world_map.PNG|thumb|400x400px|Number of people with HIV/AIDS by continent]] == HIV/AIDS pandemic by continent == === Africa === HIV/AIDS is a major concern epidemic in Africa and cause of death in many parts of Africa. Although the continent contains about 15.2% of the world's population, Sub-Saharan Africa accounts for about 69% of HIV patients, and 70% of all AIDS deaths in 2011. In the North African countries have the lowest prevalence rates, as their populations usually share cultural patterns that reduce the spread of the disease, in contrast to what the desert countries did in Africa. Southern Africa is the most affected region on the continent. As of 2011, HIV has infected at least 10% of the population in Botswana, Lesotho, Malawi, Mozambique, Namibia, South Africa, Swaziland, Zambia and Zimbabwe. === Europe === AIDS cases in most countries in Western Europe have fallen to levels not seen since the initial outbreak; many people attribute this trend to active education campaigns, [[blood transfusion]] screening and increased condom use. In addition, since new AIDS treatments have proven to be effective (even if expensive) methods to suppress HIV, West