Other Back to School news. Lake Havasu Unified staff attended the district's annual Back to School Rally* on August 3rd. New staff members were introduced, and many got their first look at our new superintendent, Diana Asseier (pronounced uh-sire). Mrs. Asseier put together a brief slideshow to introduce herself.
Terms, Definitions, and Calculations. HIV infection is classified as stage 3 (AIDS) when the immune system of a person infected with HIV becomes severely compromised (measured by CD4 cell count) andâor the person becomes ill with an opportunistic infection.
  HIV (human immunodeficiency virus) is a virus that attacks the immune system, the body's natural defence system. Without a strong immune system, the body has trouble fig â¦ hting off disease.Both the virus and the infection it causes are called HIV.More info here http://www.webmd.com/hiv-aids/tc/human-immunodeficiency-virus-hiv-infection-symptoms. 1 person found this useful.ithout a strong immune system, the body has trouble fig â¦ hting off disease. Both the virus and the infection it causes are called HIV. More info here http://www.webmd.com/hiv-aids/tc/human-immunodeficiency-virus-hiv-infection-symptoms.