The Strand of genes is inserted into the cells DNA. This causes the cells to replicate the virus
The cells you are referring to are called natural killer (NK) cells. NK cells are a type of white blood cell that plays a crucial role in the immune system by identifying and eliminating cancerous cells and virus-infected cells in the body. They are part of the body's innate immune response.
By being infected with the AIDS virus.
mosquitos that are infected with the disease. they inject the disease into your body when they bite you.
Viral load
HIV is a virus, and can't be removed from the body once infected.
Lymphocytes arise in red bone marrow, they then mature into T cells or B cells, when actived the mature cells attack infected cell
Saliva has no Aids or HIV in an infected person but everything else can spread the virus.
Vaccines contain a 'dead' or weakened form of a virus. The immune system will still respond as if the virus were a threat (when it is completely harmless) and will destroy it, generating lymphocytes that will 'recognise' the virus if it ever enters the body again, allowing rapid destruction if the virus ever enters the body again.
It depends what sort of pathogen it is and what cells are infected but in general the infected cell is destroyed by lymphocytes and then engulfed by a phagocyte to get rid of what is left.
when someone coughs or sneezes they release millions of tine droplets of water, blood, and mucous. if that person has TB then the virus will be in those droplets, if you breath in those droplets you could become infected.
HIV attacks helper T cells that are trying to fight infection, rather than attacking healthy body cells like a cold virus does. HIV attacks lymphocytes directly.
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