Albert had chickenpox as a child and developed active immunity to the Varicella

Question

Albert had chickenpox as a child and developed active immunity to the Varicella zoster virus. Describe the chain of events that gave Albert a population of memory B cells, which could quickly produce plasma cells that could in turn produce antibodies that would recognize the Varicella zoster virus Once the immune system starts to "crash", what are some of the principal conditions or diseases to which HIV-infected patients eventually succumb? a. HIV genes are not even found in the cancer cells of HIV-associated tumors-so does HIV actually kill people? Or does it make them susceptible to other diseases that lead to death?

Explanation / Answer

16.Symptoms of AIDS are divided into 3 stages;

1. Acute HIV Infection; This is the initiat stake of HIV infection. In this stage person develops fever, sour throat and minor rashes. These symptoms go away and person recovers within few days.

This stage is followed by an asymptomatic stage, which may last from 6 months upto 10 years, during which HIV replicates to form new viral particles.

2. AIDS Related Complex (ARC): During this stage person develops chronic diarrhoea, fever, weight loss , cough, loss of hair, night sweats. This is abundant reduction in number of helper T cells.

3. Full blown AIDS: In this stage person develops different kinds oflife threatening and opportunistic infections and cancers like pneumoniae, TB, Kaposi's sarcoma.

A. HIV makes a person susceptibletodifferent kinds of infections and cancers.

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