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Disease Death toll Percentage of population lost Years Location 2 1918 Flu: Influenza A/H1N1: 17–100 million 1–5.4% of global population [4] 1918–1920 Worldwide 2 Plague of Justinian: Bubonic plague 15–100 million 25–60% of European population [5] 541–549 North Africa, Europe, and Western Asia 3 HIV/AIDS pandemic: HIV/AIDS
The AIDS epidemic, caused by HIV (Human Immunodeficiency Virus), found its way to the United States between the 1970s and 1980s, [2] but was first noticed after doctors discovered clusters of Kaposi's sarcoma and pneumocystis pneumonia in homosexual men in Los Angeles, New York City, and San Francisco in 1981.
Although AIDS is a global disease, the CDC reports that Sub-Saharan Africa has the highest prevalence of HIV and AIDS worldwide, and accounts for approximately 61% of all new HIV infections. Other regions significantly affected by HIV and AIDS include Asia and the Pacific, Latin America and the Caribbean, Eastern Europe, and Central Asia. [28]
HIV is the cause of the spectrum of disease known as HIV/AIDS. HIV is a retrovirus that primarily infects components of the human immune system such as CD4 + T cells, macrophages and dendritic cells. It directly and indirectly destroys CD4 + T cells. [88] HIV is a member of the genus Lentivirus, [89] part of the family Retroviridae. [90]
These colors suggest an outbreak or insufficient reporting. If HIV estimates are correct, government efforts to report are still hugely inadequate, only 1 in 3 HIV cases have ever been reported globally, and 1 in 7 deaths (using this list as reference). Note: Deaths in US jurisdictions include all causes.
This is a timeline of HIV/AIDS, including but not limited to cases before 1980. Pre-1980s See also: Timeline of early HIV/AIDS cases Researchers estimate that some time in the early 20th century, a form of Simian immunodeficiency virus found in chimpanzees (SIVcpz) first entered humans in Central Africa and began circulating in Léopoldville (modern-day Kinshasa) by the 1920s. This gave rise ...
2006 North American E. coli O157:H7 outbreak in spinach; 2006 North American E. coli O157:H7 outbreaks; 2008 United States salmonellosis outbreak; 2009 swine flu pandemic in the United States; 2011 United States listeriosis outbreak; 2012 outbreak of Salmonella; 2012–2013 flu season; 2014 enterovirus D68 outbreak; 2015 Bronx Legionnaires ...
African-Americans are at the highest risk of contracting HIV in the United States. According to the Centers for Disease and Control and Prevention (CDC), African-American accounted for 44% of all new HIV infections in the United States between 2010 and 2016, although African-Americans make up roughly 12% of the American population. [3]