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English: The Red ribbon is a symbol for solidarity with HIV-positive people and those living with AIDS. Français : Le Ruban rouge, symbole de la solidarité avec les personnes séro-positives. Deutsch: Die Rote Schleife als Symbol der Solidarität mit HIV-positiven und AIDS-kranken Menschen
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] Lentiviruses share many morphological and biological characteristics.
The red ribbon is a symbol for Multiple Sclerosis, drunk driving prevention, drug prevention and for the fight against HIV/AIDS.The Red Ribbon Foundation, Mothers Against Drunk Driving (MADD) and the Canadian Multiple Sclerosis Society are examples of organizations that utilize the red ribbon symbol.
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English: Scanning electron micrograph of HIV-1 budding (in green) from cultured lymphocyte. This image has been colored to highlight important features; see PHIL 1197 for original black and white view of this image.
HIV-1 strains were once thought to have arrived in New York City from Haiti around 1971. [63] [64] [65] It spread from New York City to San Francisco around 1976. [63] HIV-1 is believed to have arrived in Haiti from central Africa, possibly from the Democratic Republic of the Congo around 1967.