West Laurens Middle School

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332 W Laurens School Rd, Dublin, GA 31021, USA
Added by Jopie, at 04 December 2015

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• Stephanie Joyner

  04 October 2017

  My daughter was struggling with a subject and they put her in a math 180 class. Now she's an honor roll student. WLMS is Awesome!!!!!!!! Thank you teachers and staff!!!!!!!

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• A Good Boy A Very Good Boy

  04 March 2016

  The human immunodeficiency virus (HIV) is a lentivirus (a subgroup of retrovirus) that causes HIV infection and over time acquired immunodeficiency syndrome (AIDS).[1][2] AIDS is a condition in humans in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive. Without treatment, average survival time after infection with HIV is estimated to be 9 to 11 years, depending on the HIV subtype.[3] Infection with HIV occurs by the transfer of blood, semen, vaginal fluid, pre-ejaculate, or breast milk. Within these bodily fluids, HIV is present as both free virus particles and virus within infected immune cells.
  
  HIV infects vital cells in the human immune system such as helper T cells (specifically CD4+ T cells), macrophages, and dendritic cells.[4] HIV infection leads to low levels of CD4+ T cells through a number of mechanisms, including pyroptosis of abortively infected T cells,[5] apoptosis of uninfected bystander cells,[6] direct viral killing of infected cells, and killing of infected CD4+ T cells by CD8 cytotoxic lymphocytes that recognize infected cells.[7] When CD4+ T cell numbers decline below a critical level, cell-mediated immunity is lost, and the body becomes progressively more susceptible to opportunistic infections.
  
  Virology
  Classification
  See also: Subtypes of HIV
  Comparison of HIV species
  Species Virulence Infectivity Prevalence Inferred origin
  HIV-1 High High Global Common Chimpanzee
  HIV-2 Lower Low West Africa Sooty Mangabey
  HIV is a member of the genus Lentivirus,[8] part of the family Retroviridae.[9] Lentiviruses have many morphologies and biological properties in common. Many species are infected by lentiviruses, which are characteristically responsible for long-duration illnesses with a long incubation period.[10] Lentiviruses are transmitted as single-stranded, positive-sense, enveloped RNA viruses. Upon entry into the target cell, the viral RNA genome is converted (reverse transcribed) into double-stranded DNA by a virally encoded reverse transcriptase that is transported along with the viral genome in the virus particle. The resulting viral DNA is then imported into the cell nucleus and integrated into the cellular DNA by a virally encoded integrase and host co-factors.[11] Once integrated, the virus may become latent, allowing the virus and its host cell to avoid detection by the immune system. Alternatively, the virus may be transcribed, producing new RNA genomes and viral proteins that are packaged and released from the cell as new virus particles that begin the replication cycle anew.
  
  

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• MoDcodekiller

  11 December 2015

  We suck

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