Trapped: Cell-invading piece of virus captured in lab by scientists

Scientists try to stay a step ahead of HIV in order to combat drug resistance and to develop better treatments. When a person is infected with HIV, there is an initial burst of virus production. This is when integrase inserts the virus DNA into many human cells, including CD4 T-immune cells, brain cells and other lymph cells. HIV is particularly devastating to the immune system's T-cells, which protect the body from infection.

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